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Hi All
Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! So my question is will Servisol Super 10 be a good substitute for Caig Deoxit, I know servisol has been used in service rooms for many many years for removing tarnish and lubricating contacts Whats your thoughts? Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! Jim M0CKE Sent from Windows Mail ______________________________________________________________ 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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Jim,
I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. 73, Don W3FPR On 6/17/2013 2:31 PM, [hidden email] wrote: > Hi All > > > Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! > > > So my question is will Servisol Super 10 be a good substitute for Caig Deoxit, I know servisol has been used in service rooms for many many years for removing tarnish and lubricating contacts > > > Whats your thoughts? > > > Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! > > > ______________________________________________________________ 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 agree with Don on this. For years, I have cleaned my battery connections and coated them with petroleum jelly before connecting them. The small amount of resistance from the lubricant is much less than that from the corrosion that soon develops in the connections without it. I've never had a problem with this method. (I stay away from grease with chemicals in it.)
Caig Deoxit is good stuff. I used some today in my car. It is spendy in U.S. as well. I'm not familiar with Servisol. Dick, n0ce ----- Original Message ----- From: Don Wilhelm To: [hidden email] Cc: [hidden email] Sent: Monday, June 17, 2013 3:02 PM Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 Jim, I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. 73, Don W3FPR On 6/17/2013 2:31 PM, [hidden email] wrote: > Hi All > > > Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! > > > So my question is will Servisol Super 10 be a good substitute for Caig Deoxit, I know servisol has been used in service rooms for many many years for removing tarnish and lubricating contacts > > > Whats your thoughts? > > > Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! > > > ______________________________________________________________ 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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It was standard practice at AT&T to clean and coat the large 2 VDC battery terminals with petroleum jelly. I still use it especially on the standby generator and automotive batteries.
Mel, K6KBE ________________________________ From: Richard Fjeld <[hidden email]> To: [hidden email]; [hidden email] Cc: [hidden email] Sent: Monday, June 17, 2013 1:31 PM Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 I agree with Don on this. For years, I have cleaned my battery connections and coated them with petroleum jelly before connecting them. The small amount of resistance from the lubricant is much less than that from the corrosion that soon develops in the connections without it. I've never had a problem with this method. (I stay away from grease with chemicals in it.) Caig Deoxit is good stuff. I used some today in my car. It is spendy in U.S. as well. I'm not familiar with Servisol. Dick, n0ce ----- Original Message ----- From: Don Wilhelm To: [hidden email] Cc: [hidden email] Sent: Monday, June 17, 2013 3:02 PM Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 Jim, I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. 73, Don W3FPR On 6/17/2013 2:31 PM, [hidden email] wrote: > Hi All > > > Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! > > > So my question is will Servisol Super 10 be a good substitute for Caig Deoxit, I know servisol has been used in service rooms for many many years for removing tarnish and lubricating contacts > > > Whats your thoughts? > > > Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! > > > ______________________________________________________________ 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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Even in the world of experts there are divergent opinions on which
method is best and which can bite you in the end. During my years as a transmission technician with Sprint (formerly Southern Pacific Communications) the word was to _not_ use petroleum jelly as it can damage the jars (cases) of some batteries (2 volt cells, actually). No-Oxide grease was the order of the day. In the case discussed here, I venture to say that Don's experience ought to be significant and a guiding light. The added virtue is the lower cost. Light oil ought to do the job nicely so long as you don't over use it. 73 de Dick, ka1oz Elecraft K3/100K #859 GAP Titan-DX Vertical G5RV Doublet On 06/17/2013 05:25 PM, Mel Farrer wrote: > It was standard practice at AT&T to clean and coat the large 2 VDC battery terminals with petroleum jelly. I still use it especially on the standby generator and automotive batteries. > > Mel, K6KBE > > > > > ________________________________ > From: Richard Fjeld <[hidden email]> > To: [hidden email]; [hidden email] > Cc: [hidden email] > Sent: Monday, June 17, 2013 1:31 PM > Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 > > > I agree with Don on this. For years, I have cleaned my battery connections and coated them with petroleum jelly before connecting them. The small amount of resistance from the lubricant is much less than that from the corrosion that soon develops in the connections without it. I've never had a problem with this method. (I stay away from grease with chemicals in it.) > > Caig Deoxit is good stuff. I used some today in my car. It is spendy in U.S. as well. I'm not familiar with Servisol. > > Dick, n0ce > > > ----- Original Message ----- > From: Don Wilhelm > To: [hidden email] > Cc: [hidden email] > Sent: Monday, June 17, 2013 3:02 PM > Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 > > > Jim, > > I have used several cleaning/lubricating compounds on electrical > contacts with success over the years. The easiest is to use a light > coating of any light lubricant ( similar to 3 in 1 oil) on the male > pins. The insertion and removal of the contact surfaces in the presence > of the lubricant will wipe away corrosion at the mating points, and the > residual lubricant helps to discourage further oxidation. > > I know I may take some flak from those who are hesitant to use anything > other than compounds recommended for electronics, but I have never > experienced any difficulties. Just apply the lubricant sparingly and > mate then disconnect the pins a few times for best results. > > 73, > Don W3FPR > > On 6/17/2013 2:31 PM, [hidden email] wrote: > > Hi All > > > > > > Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! > > > > > > So my question is will Servisol Super 10 be a good substitute for Caig Deoxit, I know servisol has been used in service rooms for many many years for removing tarnish and lubricating contacts > > > > > > Whats your thoughts? > > > > > > Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! > > > > > > > > ______________________________________________________________ > 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 |
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In reply to this post by Don Wilhelm-4
Don,
Nice suggestion. I have worked on lots of corroded stuff over the years for outdoor, very nasty weather situations. I like your solution. I have used DeoxIT in the small brush bottle with fabulous success. The connectors appear very clear once applied, but there is no content listed on the package as to what chemistry is used to actually remove the oxide. There are lots of chemicals that work, but nothing like adding a little inhibitor (oil) and scrub the connector by reseating it few times. I will continue to use DeoxIT until I find out its actual content, thinking it actually does something, plus, for the uses I have, it is relatively cheap in my shop. I sure would like to know what is the 100% concentrate on the package. 73, Bill K9YEQ -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Don Wilhelm Sent: Monday, June 17, 2013 3:02 PM To: [hidden email] Cc: [hidden email] Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 Jim, I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. 73, Don W3FPR On 6/17/2013 2:31 PM, [hidden email] wrote: > Hi All > > > Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! > > > So my question is will Servisol Super 10 be a good substitute for Caig > Deoxit, I know servisol has been used in service rooms for many many > years for removing tarnish and lubricating contacts > > > Whats your thoughts? > > > Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! > > > ______________________________________________________________ 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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The MSDS says Caig DeoxIT is 95% naptha and 5% "trade secret."
Internet lore claims the 5% "trade secret" portion is largely linoleic acid (from flax seed). GC Electronics has a much less expensive similar product called "DE-OX-ID" which is 60% Aliphatic Hydrocarbon, 35% Kerosene with the remaining 5% being more hydrocarbon solvents according to its MSDS. It's what I use. Naptha is light end hydrocarbon, with both linear and aliphatic chains. Lighter fluid is mostly naptha by the way. Last bottle of DE-OX-ID I bought cost about $6 for 2 oz in a brush applicator cap bottle. It's gone up a couple bucks since then, and there may be a problem with additional shipping surcharges since it's flammable. (Earlier this year, I was charged $10 to ship a 2 oz bottle of red Glyptol varnish for that reason.) Jack K8ZOA On 6/17/2013 7:02 PM, Bill K9YEQ wrote: > Don, > > Nice suggestion. I have worked on lots of corroded stuff over the years for outdoor, very nasty weather situations. I like your solution. I have used DeoxIT in the small brush bottle with fabulous success. The connectors appear very clear once applied, but there is no content listed on the package as to what chemistry is used to actually remove the oxide. There are lots of chemicals that work, but nothing like adding a little inhibitor (oil) and scrub the connector by reseating it few times. I will continue to use DeoxIT until I find out its actual content, thinking it actually does something, plus, for the uses I have, it is relatively cheap in my shop. I sure would like to know what is the 100% concentrate on the package. > > 73, > Bill > K9YEQ > > > -----Original Message----- > From: [hidden email] [mailto:[hidden email]] On Behalf Of Don Wilhelm > Sent: Monday, June 17, 2013 3:02 PM > To: [hidden email] > Cc: [hidden email] > Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 > > Jim, > > I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. > > I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. > > 73, > Don W3FPR > > On 6/17/2013 2:31 PM, [hidden email] wrote: >> Hi All >> >> >> Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! >> >> >> So my question is will Servisol Super 10 be a good substitute for Caig >> Deoxit, I know servisol has been used in service rooms for many many >> years for removing tarnish and lubricating contacts >> >> >> Whats your thoughts? >> >> >> Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! >> >> >> > ______________________________________________________________ > 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 |
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In reply to this post by Bill K9YEQ
From a search for "edoxit ingredients":
Ingredients of CAIG DeOxit Cleaning Solution Spray Formulation: 5% DeoxIT7 D100L 70-74% 1,1,1,3,3-PENTAFLUOROPROPANE (460-73-1) 1-5% isopropyl alcohol (67-63-1) 20% hydrocarbon propellant (75-28-5, 74-98-6) 73 - Mike WA8BXN ______________________________________________________________ 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 Jack Smith-6
Jack,
Thanks a ton for the update. The acid is the most important compound, and I would suppose the Naptha cleans off the oxidants once the chemistry has done its job. I should make my own given how cheaply the contents can be acquired. 73, Bill K9YEQ -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Jack Smith Sent: Monday, June 17, 2013 6:31 PM To: [hidden email] Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 The MSDS says Caig DeoxIT is 95% naptha and 5% "trade secret." Internet lore claims the 5% "trade secret" portion is largely linoleic acid (from flax seed). GC Electronics has a much less expensive similar product called "DE-OX-ID" which is 60% Aliphatic Hydrocarbon, 35% Kerosene with the remaining 5% being more hydrocarbon solvents according to its MSDS. It's what I use. Naptha is light end hydrocarbon, with both linear and aliphatic chains. Lighter fluid is mostly naptha by the way. Last bottle of DE-OX-ID I bought cost about $6 for 2 oz in a brush applicator cap bottle. It's gone up a couple bucks since then, and there may be a problem with additional shipping surcharges since it's flammable. (Earlier this year, I was charged $10 to ship a 2 oz bottle of red Glyptol varnish for that reason.) Jack K8ZOA On 6/17/2013 7:02 PM, Bill K9YEQ wrote: > Don, > > Nice suggestion. I have worked on lots of corroded stuff over the years for outdoor, very nasty weather situations. I like your solution. I have used DeoxIT in the small brush bottle with fabulous success. The connectors appear very clear once applied, but there is no content listed on the package as to what chemistry is used to actually remove the oxide. There are lots of chemicals that work, but nothing like adding a little inhibitor (oil) and scrub the connector by reseating it few times. I will continue to use DeoxIT until I find out its actual content, thinking it actually does something, plus, for the uses I have, it is relatively cheap in my shop. I sure would like to know what is the 100% concentrate on the package. > > 73, > Bill > K9YEQ > > > -----Original Message----- > From: [hidden email] > [mailto:[hidden email]] On Behalf Of Don Wilhelm > Sent: Monday, June 17, 2013 3:02 PM > To: [hidden email] > Cc: [hidden email] > Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10 > > Jim, > > I have used several cleaning/lubricating compounds on electrical contacts with success over the years. The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins. The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation. > > I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties. Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results. > > 73, > Don W3FPR > > On 6/17/2013 2:31 PM, [hidden email] wrote: >> Hi All >> >> >> Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!! >> >> >> So my question is will Servisol Super 10 be a good substitute for >> Caig Deoxit, I know servisol has been used in service rooms for many >> many years for removing tarnish and lubricating contacts >> >> >> Whats your thoughts? >> >> >> Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!! >> >> >> > ______________________________________________________________ > 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 ______________________________________________________________ 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 Don Wilhelm-4
The OP was asking about substitutes for Deoxit that less expensive and more readily available in the UK. Following a mild outbreak of intermittent-contact errors on my own quite early K3, someone recommended Contralube 770 (available from Maplin, code N73HL). Contralube is a clear gel which comes in a plastic tube with a convenient long-reach nozzle, and is widely used as a corrosion protector for outdoor electrical terminals.
I applied a <very small> quantity of Contralube 770 to the male connector pins only, by first smearing it thinly along the edge of a QSL card and then wiping the card onto each row of pins from two sides. This ensures an even, thin distribution. (The final amount is much too thin to see on the pin, but I just noticed on the data sheet that Contralube 770 contains a UV-fluorescent dye, so that would be a good way to check for even coverage.) Take very careful ESD precautions when doing this job, because many connector pins are connected directly to ESD-sensitive parts. The whole job took about an hour, and all I can say is... the K3 hasn't failed again. It's impossible to know how much of that benefit has been due to the Contralube, and how much was due to the self-cleaning effects of disassembly and reassembly; but the Contralube has certainly done no harm. (Meanwhile, in a much more challenging application, larger quantities of Contralube have been doing a very good job of protecting the screw terminal strip for the SteppIR. Despite heavy moisture, there is no sign of intermetallic corrosion.) 73 from Ian GM3SEK ______________________________________________________________ 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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