sub receiver
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I am a very happy owner of a K3 (whole system) but I did not order the sub
receiver, what am I missing out on VK4KO ______________________________________________________________ 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 |
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Hi Alan,
The sub receiver has a few primary uses: - Monitoring one frequency (even on a different band) while operating on another. You might be waiting for a sked or a band opening, or waiting for a chance to call one station while tuning around looking for others. Very useful for hunt 'n' pounce operation, field day, etc. - Listening to a DX station with one receiver while listening to a pileup calling him in the other. This allows you to search for a clear spot to call (or find the place where he's listening, by listening to other callers) without missing any of the DX station's transmissions. This works in either SPLIT or non-SPLIT mode. Without the sub receiver, this would typically be done by using SPLIT and the REV switch to periodically search for a transmit frequency. But with the sub, you can park VFO B on the DX station and use VFO A for transmit -- i.e., no need to use SPLIT. - Diversity receive, where main and sub are locked together on the same frequency but they use two different antennas. If the sub's antenna is polarized somewhat differently from the main receiver's antenna, stations subject to fading (QSB) will tend to become louder in one receiver even when fading in the other. This is especially valued by low-band DXers, who have to play every trick in the book to copy weak stations. The sub can have a different band, mode, and filter settings from main. 73, Wayne N6KR On Oct 30, 2013, at 8:23 PM, "Alan Grant" <[hidden email]> wrote: > I am a very happy owner of a K3 (whole system) but I did not order the sub > receiver, what am I missing out on > > VK4KO ______________________________________________________________ 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 |
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In reply to this post by Alan Grant
Your question assumes that we know how you operate and what you want out
of your station. There is no way we can know this. Think about how you operate and what you could do with a second receiver and then decide if you need or want one. If you don't know why you might need or want a sub receiver, you probably don't need one. 73, Scott, N9AA On 10/30/13 11:23 PM, Alan Grant wrote: > I am a very happy owner of a K3 (whole system) but I did not order the sub > receiver, what am I missing out on > > VK4KO > > ______________________________________________________________ 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 |
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In reply to this post by Alan Grant
Wayne, as usual, gave a concise answer.
If you DX, it's a great tool to add BUT: you want to consider a P3 if you don't already have one. It's difficult to say which is better if you have a limited budget and depends on if you're audible or visual oriented. A sub-receiver for planning your DX 'attack' is very valuable. With the P3, you can SEE the pattern the DX station is using (moving up the split or what?). You essentially can hear two frequencies at the same time (to know when to call the DX) plus see what you're not hearing. If you don't DX, the added 'tools' may have little value. If you use the JT modes, a TCXO may be a valuable option. If you simply ragchew, having the P3 means you can nag your friends about their poor audio (it isn't too hard to tell the KIY brands on the air, they don't have steep walls and tend to be overdriven). When you budget the second receiver, if you EVER plan on using diversity reception, the filters should be the same in both receivers. That adds a bit more expense. And since you have to take a few things out to install the second receiver including the front panel (to be put back in of course), you might consider what other options could be added at the same time. It's only money ;o) Best of luck, Rick wa6nhc -----Original Message----- From: Alan Grant I am a very happy owner of a K3 (whole system) but I did not order the sub receiver, what am I missing out on VK4KO ______________________________________________________________ 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 |
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On 10/30/2013 11:17 PM, Rick Bates wrote:
> If you DX, it's a great tool to add BUT: you want to consider a P3 if you > don't already have one. Strongly agree. I've got P3s for both rigs in my SO2R setup, and take them to FD and CQP expeditions, and both rigs in my SO2R setup have the SubRX. The second RX is VERY nice to have, for the reasons Wayne noted, but if dollars were limited, I'd lean strongly to the P3 as the FIRST way to spend them. Why? Because the P3 gives you a view of empty bands (6M, 10M), of pileups, and of RFI sources. All those applications for the 2nd RX that Wayne noted are also quite useful if you need them. The P3 tells you more about the pileup than the SubRx and how might interact with it, and it does the empty band and RFI thing, but it doesn't do diversity. I have Beverages, and I find them useful from 160 to at least as high as 20M. You can assign them to the main RX which can help with weak signals, but you need the 2nd RX to do diversity, which can help even more. Diversity is most useful on 40-160. 73, Jim K9YC ______________________________________________________________ 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 |
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In reply to this post by Alan Grant
There have been many very good answers the main reason I switched to the
K3's from the Yaesu FTDX-5000MP's a bit better main receiver on the Yaesu at that. The reason the second receiver same as the first with the same amount of filters if wanted. Not second rated ones like all the others top of the line radios costing up to $14-15,000 and can't keep up with the K3's second receiver. With it you know you're getting the same signal with it as the main not so in the TS-990 or the first, Yaesu's 9000's or Icom's 7800. It's a huge asset to the radio and along with a P3 a must for DX'ing once you have a good one your pretty well hooked for life 73, Fred/N0AZZ K3 Ser # 6730--KX3 # 5210--K2/100 # 6470-KAT100 P3/SVGA--KAT500--W2 Amps Elecraft KPA500 HF/6m--Alpha 9500 HF--Mirage B-5030-G 300+w--(2) B-5016-G's 165w 2m -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Alan Grant Sent: Wednesday, October 30, 2013 10:23 PM To: [hidden email] Subject: [Elecraft] sub receiver I am a very happy owner of a K3 (whole system) but I did not order the sub receiver, what am I missing out on VK4KO ______________________________________________________________ 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: 2013.0.3426 / Virus Database: 3222/6796 - Release Date: 10/31/13 ______________________________________________________________ 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 |
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In reply to this post by Alan Grant
I have a K3 with a second receiver that I use rarely but I enjoy having it for DX pileups that work split. It has saved me buckets of time getting through the pileups. I also plan to use it this winter for receive antennas for the lower bands. However since I am into 6m I find having a visual tool of the band invaluable. I could probably live without the second receiver but I don't think I could live without the ability to see the band and short openings that are occurring on 6m.
Keith AK6ZZ Sent from my iPhone please excuse typos > On Oct 30, 2013, at 8:23 PM, "Alan Grant" <[hidden email]> wrote: > > I am a very happy owner of a K3 (whole system) but I did not order the sub > receiver, what am I missing out on > > VK4KO > > ______________________________________________________________ > 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 |
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I finally figured out what was happening. The procedure in the manual is wrong!
On step 5, the power is set by the FRONT PANEL POWER CONTROL On step 7, TAP tune, do NOT hold it. If you hold it, you get the tune power which is a separate menu item. To key the tx in CW I had to insert a shorted plug in the key jack on the rear panel. The WMTR LP menu item is evidently controlled by the circuitry that switches the 100 watt PA in and out. If the power control is set above a certain level, the menu item switches to WMTR HP. 73, Roger -- Remember the Liberty (AGTR-5) http://www.usslibertyveterans.org/ http://www.gtr5.com/ ______________________________________________________________ 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 |
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In my view the manual is not wrong in that respect. It tells you to set the
TUN PWR menu item to NOR before you start. However, I have always found a different problem. The last step of the procedure tells you to hold TUNE and adjust the menu parameter (WMTR: LP or HP) for exactly 5w or 50w. But holding TUNE takes you out of the menu. So I adjust the menu parameter when the K3 is not txing and then hold TUNE again to see what the effect has been, repeating the process as necessary to achieve 5w or 50w. Anyone else see this? Or have I been doing it wrong these last 5 (nearly 6) years (quite possible hi). 73 to all Geoff G3UCK -----Original Message----- From: Roger D Johnson Sent: Thursday, October 31, 2013 3:05 PM To: [hidden email] Subject: [Elecraft] Wattmeter Calibration I finally figured out what was happening. The procedure in the manual is wrong! On step 5, the power is set by the FRONT PANEL POWER CONTROL On step 7, TAP tune, do NOT hold it. If you hold it, you get the tune power which is a separate menu item. To key the tx in CW I had to insert a shorted plug in the key jack on the rear panel. The WMTR LP menu item is evidently controlled by the circuitry that switches the 100 watt PA in and out. If the power control is set above a certain level, the menu item switches to WMTR HP. 73, Roger -- Remember the Liberty (AGTR-5) http://www.usslibertyveterans.org/ http://www.gtr5.com/ ______________________________________________________________ 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 |
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