I need some help from those experienced in K3 macros.
What I want to do is:- First press of say PF1 Turn ON DIGOUT1 Wait n mS Turn ON TUNE Second press of PF1 Turn OFF TUNE Turn OFF DIGOUT1 i.e. How can you toggle a macro from a function key ? T.I.A. 73 Stewart G3RXQ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Stewart,
You can make a toggleable macros by SWT/SWH commands that emulate pressing/holding the switches that normally control the given function. I don't know what is DIGOUT1 and how is it turned on and off normally, but TUNE is toggled by SWH16. 73, Val LZ1VB >I need some help from those experienced in K3 macros. > > What I want to do is:- > > First press of say PF1 > Turn ON DIGOUT1 > Wait n mS > Turn ON TUNE > > Second press of PF1 > Turn OFF TUNE > Turn OFF DIGOUT1 > > i.e. How can you toggle a macro from a function key ? > > T.I.A. > > 73 > Stewart G3RXQ > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Val,
DIGOUT1 is an open collector line that is able to be controlled by the firmware. It is also used to switch the external 6m pre-amp option. I know that some of the K3 commands (like TUNE) can be toggled by a macro. My question was how to implement toggling by a function switch to include commands that do not have inherent toggling. I suspect (given the number of replies) that this is not possible. There have been a number of recent posts suggesting that the use of macros can be used to correct some of the K3's H/W or F/W anomalies. Macros, although powerful, do have their limitations... 73 Stewart G3RXQ On Sun, 1 Jul 2012 09:01:52 +0300, Val wrote: > Stewart, > > You can make a toggleable macros by SWT/SWH commands that emulate > pressing/holding the switches that normally control the given function. I > don't know what is DIGOUT1 and how is it turned on and off normally, but > TUNE is toggled by SWH16. > > 73, Val LZ1VB > > >>I need some help from those experienced in K3 macros. >> >> What I want to do is:- >> >> First press of say PF1 >> Turn ON DIGOUT1 >> Wait n mS >> Turn ON TUNE >> >> Second press of PF1 >> Turn OFF TUNE >> Turn OFF DIGOUT1 >> >> i.e. How can you toggle a macro from a function key ? >> >> T.I.A. >> >> 73 >> Stewart G3RXQ >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Stewart,
What you are asking is not possible in one macro. You could do it with two macros - one to turn it on and the other to turn it off. 73, Don W3FPR On 7/1/2012 3:00 AM, Stewart wrote: > Val, > DIGOUT1 is an open collector line that is able to be controlled by the firmware. > It is also used to switch the external 6m pre-amp option. > > I know that some of the K3 commands (like TUNE) can be toggled by a macro. > My question was how to implement toggling by a function switch to include commands > that do not have inherent toggling. > > I suspect (given the number of replies) that this is not possible. > > There have been a number of recent posts suggesting that the use of macros can > be used to correct some of the K3's H/W or F/W anomalies. > > Macros, although powerful, do have their limitations... > > 73 > Stewart G3RXQ > > On Sun, 1 Jul 2012 09:01:52 +0300, Val wrote: >> Stewart, >> >> You can make a toggleable macros by SWT/SWH commands that emulate >> pressing/holding the switches that normally control the given function. I >> don't know what is DIGOUT1 and how is it turned on and off normally, but >> TUNE is toggled by SWH16. >> >> 73, Val LZ1VB >> >> >>> I need some help from those experienced in K3 macros. >>> >>> What I want to do is:- >>> >>> First press of say PF1 >>> Turn ON DIGOUT1 >>> Wait n mS >>> Turn ON TUNE >>> >>> Second press of PF1 >>> Turn OFF TUNE >>> Turn OFF DIGOUT1 >>> >>> i.e. How can you toggle a macro from a function key ? >>> >>> T.I.A. >>> >>> 73 >>> Stewart G3RXQ >>> >> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
That's what I thought Don.
Unfortunately allocating 2 function switches or a Tap/Hold of 1 switch on the K3 is not really practical. So much better if the F/W did it. 73 Stewart G3RXQ On Sun, 01 Jul 2012 08:18:38 -0400, Don Wilhelm wrote: > Stewart, > > What you are asking is not possible in one macro. You could do it with > two macros - one to turn it on and the other to turn it off. > > 73, > Don W3FPR > > On 7/1/2012 3:00 AM, Stewart wrote: >> Val, >> DIGOUT1 is an open collector line that is able to be controlled by the firmware. >> It is also used to switch the external 6m pre-amp option. >> >> I know that some of the K3 commands (like TUNE) can be toggled by a macro. >> My question was how to implement toggling by a function switch to include commands >> that do not have inherent toggling. >> >> I suspect (given the number of replies) that this is not possible. >> >> There have been a number of recent posts suggesting that the use of macros can >> be used to correct some of the K3's H/W or F/W anomalies. >> >> Macros, although powerful, do have their limitations... >> >> 73 >> Stewart G3RXQ >> >> On Sun, 1 Jul 2012 09:01:52 +0300, Val wrote: >>> Stewart, >>> >>> You can make a toggleable macros by SWT/SWH commands that emulate >>> pressing/holding the switches that normally control the given function. I >>> don't know what is DIGOUT1 and how is it turned on and off normally, but >>> TUNE is toggled by SWH16. >>> >>> 73, Val LZ1VB >>> >>> >>>> I need some help from those experienced in K3 macros. >>>> >>>> What I want to do is:- >>>> >>>> First press of say PF1 >>>> Turn ON DIGOUT1 >>>> Wait n mS >>>> Turn ON TUNE >>>> >>>> Second press of PF1 >>>> Turn OFF TUNE >>>> Turn OFF DIGOUT1 >>>> >>>> i.e. How can you toggle a macro from a function key ? >>>> >>>> T.I.A. >>>> >>>> 73 >>>> Stewart G3RXQ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Stewart@twinwood
> I suspect (given the number of replies) that this is not possible. It is certainly possible to toggle DIGOUT1 with a macro - MN019;UP;MN255; will do it. It is also possible to toggle the TUNE function - SWH16; will do that. However, when you combine the two and order matters you have departed the realm of a toggle function. 73, ... Joe, W4TV On 7/1/2012 3:00 AM, Stewart wrote: > Val, > DIGOUT1 is an open collector line that is able to be controlled by the firmware. > It is also used to switch the external 6m pre-amp option. > > I know that some of the K3 commands (like TUNE) can be toggled by a macro. > My question was how to implement toggling by a function switch to include commands > that do not have inherent toggling. > > I suspect (given the number of replies) that this is not possible. > > There have been a number of recent posts suggesting that the use of macros can > be used to correct some of the K3's H/W or F/W anomalies. > > Macros, although powerful, do have their limitations... > > 73 > Stewart G3RXQ > > On Sun, 1 Jul 2012 09:01:52 +0300, Val wrote: >> Stewart, >> >> You can make a toggleable macros by SWT/SWH commands that emulate >> pressing/holding the switches that normally control the given function. I >> don't know what is DIGOUT1 and how is it turned on and off normally, but >> TUNE is toggled by SWH16. >> >> 73, Val LZ1VB >> >> >>> I need some help from those experienced in K3 macros. >>> >>> What I want to do is:- >>> >>> First press of say PF1 >>> Turn ON DIGOUT1 >>> Wait n mS >>> Turn ON TUNE >>> >>> Second press of PF1 >>> Turn OFF TUNE >>> Turn OFF DIGOUT1 >>> >>> i.e. How can you toggle a macro from a function key ? >>> >>> T.I.A. >>> >>> 73 >>> Stewart G3RXQ >>> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[hidden email] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Don Wilhelm-4
Two macros instead of one - that sums up what is needed, but how to call two macros with one button? I was just fiddling around and came up with this, though it may not be original. The idea is to let the macro itself reassign the PF key to a different macro. For example, say you want the PF2 key to toggle between setting VFO A to 14010 and 14020 (not useful but just an example).
Use the Utility to create the two macros like this: MACRO1 FA00014010000;MN110;SWT12;SWH47;SWT14; MACRO2 FA00014020000;MN110;SWT11;SWH47;SWT14; Send the Macros to the K3 then, on the K3, go to CONFIG:MACRO X, tap 1 and then hold PF2. Tap MENU to get out of CONFIG. Now MACRO1 is assigned to PF2. When you Hold PF2 the macro changes the frequency and then assigns MACRO2 to PF2. The next operation of PF2 sets a different frequency and sets PF2 back to MACRO1. Substitute whatever you want to toggle between for the FA commands. Put the two macros in whatever slots you have open and change the SWT11/12 taps to match. Change SWH47 to match the PF/M button you want to use. You could also expand on this to rotate among 3 or more macros. I expect others can add to this and again, I claim no originality for this idea. Now, who will be the first to suggest we need more than 8 Macro slots? John, KU4AF Pittsboro, NC <quote author="Don Wilhelm-4"> Stewart, What you are asking is not possible in one macro. You could do it with two macros - one to turn it on and the other to turn it off. 73, Don W3FPR |
I am putting together a portable QRP kit that I can fly on a plane with
me. Looking at several different antennas. With being a portable operation, what has worked best for some of you to ground the radio ? I am seeing references to some of the antennas that they need a counterpoise wire. Is this in addition to a ground wire ? Ron KA4KYI ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by KU4AF
On 7/1/2012 10:35 AM, KU4AF wrote:
> The idea is to let the macro itself reassign > the PF key to a different macro. For example, say you want the PF2 key to > toggle between setting VFO A to 14010 and 14020 (not useful but just an > example). Vaguely reminiscent of very early stored program computers where it was considered a cool feature that your code could do arithmetic on itself creating new code the next time through [like stepping an address sequentially, or ... gasp ... changing instruction op codes into different instructions :-)]. I have yet to figure out how to get N1MM to use both banks of the K3 DVR. The obvious way would be for the macros that use Bank 2 make the switch and key the message and then switch back to Bank 1. The problem is that the logger has no way of knowing when the voice message is over. It does the bank switch OK and keys the message, then executes the switch back to Bank 1 killing the audio immediately. I guess this is the case for all loggers since there's no feedback from the K3 DVR that it's done. I've never needed more than two messages on SSB, so it isn't a problem, just a challenge. 73, Fred K6DGW - Northern California Contest Club - CU in the 2012 Cal QSO Party 6-7 Oct 2012 - www.cqp.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Ronald Nutter
Ron (and all),
Normally grounds are installed for safety. If you are portable, you normally do not need a ground because there is no connection to the AC power lines. I am fairly certain you will not be operating portable with antennas connected when there is lightning close enough to be harmful, so no need for a lightning ground. That leaves an RF Ground - and contrary to amateur myth one does not achieve an RF Ground by connecting to mother earth - an RF Ground will be present at some point in any antenna system - just due to the characteristics of physics. RF Ground will be that point of zero RF voltage - in a balanced dipole, it will be present right at the middle of the center insulator. So the short answer is -- if the particular antenna needs a counterpoise wire to control the impedance and balance of the antenna system, then add it. RF does need a "return path" (different than RF Ground), and the RF will make its own return path if one is not provided. It may be the coax shield, the transmitter enclosure, etc. if no planned and proper return path is provided. 73, Don W3FPR On 7/1/2012 2:49 PM, Ronald Nutter wrote: > I am putting together a portable QRP kit that I can fly on a plane with > me. Looking at several different antennas. With being a portable > operation, what has worked best for some of you to ground the radio ? I > am seeing references to some of the antennas that they need a > counterpoise wire. Is this in addition to a ground wire ? > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Ronald Nutter
Counterpoise wires OR radials are a big help. They usually work better if
elevated a foot or so, but this can be a dangerous situation to passers by AND operator of the station as well! Kids will ALWAYS get fouled up in them unless you are somewhere that is isolated from the usual inquisitive passer by. Length? that varies with ground you lay them on, conductivity of the soil, many arcane factors! I used to use at least 3 laid on ground made from "loud" striped small guage hookup wire. The MIL-SPEC stuff that is usually white with red/yellow/black tracer stripes. If you work the "low bands" (80/40/30 meters) placement sometimes get harder than shorter wires that can be used for higher bands (20-10 meters). SOmetimes a 30-40 foot long radiator will suffice for general use although I like to use an 85-90 foot "antenna" for 80/40, and the shorter 30-40 footer for the higher bands. Vertical or an "inverted L". Have been using an MFJ 33' telescopic fibreglass mast that is easy to transport and can be erected and lashed with bungee to a garden type hand tiller tool that can be easily "planted" in ground with no rocks. Trees, hedges can be used for supports of there is no other way to suspend the wire. A small "L" section tuner can be easily constructed with a common dual 365 pf tuning capacitor and a coil wound on PVC pipe with make a handy antenna tuner (required in ALL instances!) You will be surprised at what you can do with QRP and jury rig antennas! Nothing beats having several coiled up bundles of hookup wire in various lengths (16, 33, 45, 85, 120') for the "radials" or the radiators. Some of the "Buddy pole" setups seem to work well sometimes not! For the most part I've found them to be more of a bother to erect and use and work no better than the right length radiator and counterpoise system at a fraction of the price of a BUddypole. No two locations are the same, so it is VERY difficult to describe what will work and what doesn't. I have worked DX like mad on 20 meters around midnight when the band is open with 5 watts QRP in a wood frame house with a 20' length of hookup wire hanging from push pin tacks at the junction of ceiling and wall. Counterpoise in this case, a wire running around the baseboard of the room. The "key" is trying it and you will find out what does and what doesn't work. I have had some very good results from the Elecraft T1 mini auto tuner working with my K1. The T1 has a MUCH greater matching range than the internal KAT1 tuner by the way! Long and short of it is I always use "some" kind of counterpoise/radial system, even if only one wire. Always use an "end fed" radiator that goes right to the "hot" terminal of the tuner output. No coax, no twinlead which is an awful liability mechanically to work with. Small light coax can have awful losses on an untuned dipole which can be a disaster when you are playing with 5 watts or less. Keep it light, keep it simple and EXPERIMENT. NO two setups are the same! 73, Sandy W5TVW Used to use HW-7, HW-8, HW-9 portable, Ten Tec "PM" series DC rigs, Tec Tec Argonaut, homebrewed stuff. My favorite still is the Elecraft K1! -----Original Message----- From: Ronald Nutter Sent: Sunday, July 01, 2012 1:49 PM To: [hidden email] Subject: [Elecraft] Counterpoise vs ground wire ? I am putting together a portable QRP kit that I can fly on a plane with me. Looking at several different antennas. With being a portable operation, what has worked best for some of you to ground the radio ? I am seeing references to some of the antennas that they need a counterpoise wire. Is this in addition to a ground wire ? Ron KA4KYI ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2180 / Virus Database: 2437/5104 - Release Date: 07/01/12 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Ronald Nutter
We have had great success with end fed half wave dipoles made by LNR Precision without the need for counter poise wires nor even tuners. Specifically we have used the 40-20-10 multi and version which we used for field day this year. When properly tuned at first use, the SWR have been below 1.5 for the bands it was designed for. I use it all the time with KX1 without the need for an ATU. I have made plenty of contacts into eastern Europe which is better than a 1000 miles per watt on a KX1 when used as a vertical or near vertical sloper.
Google Par end fed 40-20-10 and look at the reviews on eHam. Ariel NY4G Sent from my iPad On Jul 1, 2012, at 2:50 PM, "Ronald Nutter" <[hidden email]> wrote: > I am putting together a portable QRP kit that I can fly on a plane with > me. Looking at several different antennas. With being a portable > operation, what has worked best for some of you to ground the radio ? I > am seeing references to some of the antennas that they need a > counterpoise wire. Is this in addition to a ground wire ? > > Ron > KA4KYI > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
I agree that the PAR EndFedz antennas are good and easy to put up.
The reason the PAR EndFedz can use no counterpoise wire has to do with the return connection for the tuning network - it is connected to the coax shield. That means the coax shield is doing double duty - the outside is acting as the counterpoise while the inside is carrying the RF current. For End Fed Halfwave Antennas that do not have a connection like that, the use of a short (0.05 wavelength) counterpoise is required to make it work. For more informationm check out the information by AA5TB at http://www.aa5tb.com/efha.html. 73, Don W3FPR On 7/1/2012 4:36 PM, Ariel Jacala wrote: > We have had great success with end fed half wave dipoles made by LNR Precision without the need for counter poise wires nor even tuners. Specifically we have used the 40-20-10 multi and version which we used for field day this year. When properly tuned at first use, the SWR have been below 1.5 for the bands it was designed for. I use it all the time with KX1 without the need for an ATU. I have made plenty of contacts into eastern Europe which is better than a 1000 miles per watt on a KX1 when used as a vertical or near vertical sloper. > > Google Par end fed 40-20-10 and look at the reviews on eHam. > > Ariel NY4G > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by ny4g
The "classic zepp" antenna lives on in VHF circles, and is known as a
J-Pole. Turn the Zepp vertically and you have a J-pole. The major difference is the J-pole feed - the 1/4 wave transmission line section is shorted at the bottom and teh 50 ohm feedline is connected up a bit where the impedance is 50 ohms. 73, Don W3FPR On 7/1/2012 5:40 PM, Ron D'Eau Claire wrote: > That was the beauty of the Zeppelin antenna (the true "Zepp") A half wave > radiator is end fed through 1/4 wavelength of open wire line. One side of > the line connected to the radiator and the other side connected to nothing > - just an insulator. Since very little current flows at the feed point, the > balance in the line is still good. The 1/4 wavelength of line converted the > high impedance at the radiator to a low impedance at the rig. Of course > that's only true at one frequency for a given length of radiator and feed > line. > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Don Wilhelm-4
Actually Ron, the pure form of "dipole" is an antenna with two ends, but
typical usage refers to the half wavelength. Yes, I did mean a 1/2 wavelength dipole - sorry for not being specific. 73, Don W3FPR On 7/1/2012 5:40 PM, Ron D'Eau Claire wrote: > Note that Don said " RF Ground will be that point of zero RF voltage - in a > balanced dipole, it will be present right at the middle of the center > insulator." > > "Dipole" is the important word, meaning a radiator 1/2 wavelength long. A > full wave center fed antenna (two half waves in phase) will have a voltage > loop - high impedance point - at the center of the center insulator. > > As the center fed antenna is made shorter than a 1/2 wave, the impedance at > the center also rises. Think of it as "stuffing part of the antenna down the > feed line" to make up a 1/2 wave. > > 73, Ron AC7AC > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by Ronald Nutter
On 7/1/2012 11:49 AM, Ronald Nutter wrote:
> I am putting together a portable QRP kit that I can fly on a plane with > me. Looking at several different antennas. With being a portable > operation, what has worked best for some of you to ground the radio ? I > am seeing references to some of the antennas that they need a > counterpoise wire. Is this in addition to a ground wire ? You might want to subscribe to the NA SOTA Yahoo Group Ron. SOTA is "Summits On The Air," analogous to IOTA. www.sota.org.uk is the main site. www.sotawatch.org is the site where alerts and posts are made. Light, efficient portable antennas are a big subject among the Summiteers and there are people there who can probably point you in useful directions. There are several folks in the NA SOTA crowd who use end-fed half-wave antennas on summits very successfully [Fred, KT5X is one]. You're feeding a very high impedance, so you need a matching network such as the one that Stu, KI6J, designs. EFHW's have the advantage that they're just wire [mine is on a little reel, I just pull out to the mark for that band] so they're very light and simple. Theoretically, they shouldn't need a return path, however mine is much easier to cram power into with about 8 inches of wire hanging off the shield of the coax at the radio on 20m. Oddly, EZNEC confirms it, YMMV. Another SOTA ham is Mike, KD9KC, in El Paso. He's been using the AlexLoop magnetic loop antenna and has very good things to say about it. It is a little pricy compared to a half wavelength of wire, but Mike carries his to some fairly high summits and on long hikes. It shouldn't be that hard to build one from scratch. If you're outside and worried about grounding for lightning, you shouldn't be outside. :-) If your radio is battery powered, AC mains safety grounding isn't really an issue. It's always a good idea to make sure the antenna connector has a high value resistor [~100K] across it to bleed precip and wind/dust static. 73, Fred K6DGW - Northern California Contest Club - CU in the 2012 Cal QSO Party 6-7 Oct 2012 - www.cqp.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
On Sun, Jul 1, 2012 at 7:01 PM, Fred Jensen <[hidden email]> wrote:
> Theoretically, they > shouldn't need a return path, however mine is much easier to cram power > into with about 8 inches of wire hanging off the shield of the coax at > the radio on 20m. Oddly, EZNEC confirms it, YMMV. > Not sure whose theory you are quoting. Some genre of portable tuning networks require just a tiny bit of wire so there is actually someplace to stuff electrons. Higher power levels will need more wire to stop arcing. I always tell people to hang a yard or meter of wire there if the network has the the input from the transmitter isolated from the high impedance side. EZNEC correctly calculates the "capacity to the cosmos" of the wire in the model and knows whether it can be used as a counterpoise, which is what that eight inches actually is if there is no path from the high Z side to the transmitter side. The easiest thing is to use as a counterpoise for an EFHW is to solder a little flexible wire to a six inch nail, and stick it into the ground. 73, Guy. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
In reply to this post by KU4AF
Whoa, I like this. Must have missed it the first time around. I now
tap M3 to toggle between 5W (label: QRP) and 100W (label: QRO) with these macros: MACRO1 PC005;MN110;SWT12;SWT35;SWT14; MACRO2 PC100;MN110;SWT11;SWT35;SWT14; That freed up (hold) M3 for another macro. TU / 73- Nick, WA5BDU On 7/1/2012 12:35 PM, KU4AF wrote: > Two macros instead of one - that sums up what is needed, but how to call two > macros with one button? I was just fiddling around and came up with this, > though it may not be original. The idea is to let the macro itself reassign > the PF key to a different macro. For example, say you want the PF2 key to > toggle between setting VFO A to 14010 and 14020 (not useful but just an > example). > > Use the Utility to create the two macros like this: > > MACRO1 FA00014010000;MN110;SWT12;SWH47;SWT14; > MACRO2 FA00014020000;MN110;SWT11;SWH47;SWT14; > > Send the Macros to the K3 then, on the K3, go to CONFIG:MACRO X, tap 1 and > then hold PF2. Tap MENU to get out of CONFIG. Now MACRO1 is assigned to PF2. > When you Hold PF2 the macro changes the frequency and then assigns MACRO2 to > PF2. The next operation of PF2 sets a different frequency and sets PF2 back > to MACRO1. > > Substitute whatever you want to toggle between for the FA commands. Put the > two macros in whatever slots you have open and change the SWT11/12 taps to > match. Change SWH47 to match the PF/M button you want to use. You could also > expand on this to rotate among 3 or more macros. > > I expect others can add to this and again, I claim no originality for this > idea. Now, who will be the first to suggest we need more than 8 Macro slots? > > John, KU4AF > Pittsboro, NC > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Many thanks for this nice example. Now, I would like to free up M4-HOLD, but I can't find anywhere in the manuals how to delete a macro assignment from one of the programmable keys. Is it possible at all, or should I just wait for when I come up with my next macro and just replace it? Pf >>>>> "Nick-WA5BDU" == Nick-WA5BDU <[hidden email]> writes: Nick-WA5BDU> Whoa, I like this. Must have missed it the first time around. I now Nick-WA5BDU> tap M3 to toggle between Nick-WA5BDU> 5W (label: QRP) and 100W (label: QRO) with these macros: Nick-WA5BDU> MACRO1 PC005;MN110;SWT12;SWT35;SWT14; Nick-WA5BDU> MACRO2 PC100;MN110;SWT11;SWT35;SWT14; Nick-WA5BDU> That freed up (hold) M3 for another macro. Nick-WA5BDU> TU / 73- Nick-WA5BDU> Nick, WA5BDU Nick-WA5BDU> On 7/1/2012 12:35 PM, KU4AF wrote: >> Two macros instead of one - that sums up what is needed, but how to call two >> macros with one button? I was just fiddling around and came up with this, >> though it may not be original. The idea is to let the macro itself reassign >> the PF key to a different macro. For example, say you want the PF2 key to >> toggle between setting VFO A to 14010 and 14020 (not useful but just an >> example). >> >> Use the Utility to create the two macros like this: >> >> MACRO1 FA00014010000;MN110;SWT12;SWH47;SWT14; >> MACRO2 FA00014020000;MN110;SWT11;SWH47;SWT14; >> >> Send the Macros to the K3 then, on the K3, go to CONFIG:MACRO X, tap 1 and >> then hold PF2. Tap MENU to get out of CONFIG. Now MACRO1 is assigned to PF2. >> When you Hold PF2 the macro changes the frequency and then assigns MACRO2 to >> PF2. The next operation of PF2 sets a different frequency and sets PF2 back >> to MACRO1. >> >> Substitute whatever you want to toggle between for the FA commands. Put the >> two macros in whatever slots you have open and change the SWT11/12 taps to >> match. Change SWH47 to match the PF/M button you want to use. You could also >> expand on this to rotate among 3 or more macros. >> >> I expect others can add to this and again, I claim no originality for this >> idea. Now, who will be the first to suggest we need more than 8 Macro slots? >> >> John, KU4AF >> Pittsboro, NC >> >> Nick-WA5BDU> ______________________________________________________________ Nick-WA5BDU> Elecraft mailing list Nick-WA5BDU> Home: http://mailman.qth.net/mailman/listinfo/elecraft Nick-WA5BDU> Help: http://mailman.qth.net/mmfaq.htm Nick-WA5BDU> Post: mailto:[hidden email] Nick-WA5BDU> This list hosted by: http://www.qsl.net Nick-WA5BDU> Please help support this email list: http://www.qsl.net/donate.html -- Pierfrancesco Caci, ik5pvx ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Pf,
You can clear the macro from the M1-M4 keys by storing a CW or voice message there. Just tap the REC key, then the M key, record the message and tap the REC key again. If you don't want a message there, just tap the REC key without recording anything. John, KU4AF Pittsboro, NC <quote author="Pierfrancesco Caci"> Many thanks for this nice example. Now, I would like to free up M4-HOLD, but I can't find anywhere in the manuals how to delete a macro assignment from one of the programmable keys. Is it possible at all, or should I just wait for when I come up with my next macro and just replace it? Pf |
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