One word of caution about contact cleaner is make sure the contacts are dry before reassembly! I use to work on corporate jets. If you connect connectors without the contact cleaner being dry it can cause corrosion! I am speaking from experience! Glenn WA7SPY Sent from my iPhone
> On Jun 8, 2025, at 09:03, [email protected] wrote: > > Send Elecraft mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Elecraft digest..." > > > Today's Topics: > > 1. Re: Elecraft Digest, Vol 254, Issue 7 (Bob McGraw K4TAX) > 2. Parts & Accessories Sale Continued, June Update (Doug Hensley) > 3. Re: Elecraft Digest, Vol 254, Issue 7 (Fred Jensen) > 4. Loaded K3 and P3 for sale (DOUG SHIELDS) > 5. Re: Loaded K3 and P3 for sale (Jerry Moore) > 6. Loaded K3 and P3 are sold (DOUG SHIELDS) > 7. Elecraft CW Net Announcement (kevin) > 8. 3D-printable sun shade for PX3 (Julia Tuttle) > 9. Re: TMP connectors (Jim Rhodes) (John Canfield) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sat, 7 Jun 2025 11:34:10 -0500 > From: Bob McGraw K4TAX <[email protected]> > To: [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] Elecraft Digest, Vol 254, Issue 7 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > I would carefully unplug each connector. Clean it using a Q-tip moisten with > contact cleaner. Then plug it back in. Make sure it is fully and correctly > inserted. > > Never spray anything in the radio! I would say contact grease is also a NO > NO. > > 73 > Bob, K4TAX > > Sent from my iPhone > >> On Jun 7, 2025, at 11:03?AM, [email protected] wrote: >> >> ?Send Elecraft mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://mailman.qth.net/mailman/listinfo/elecraft >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of Elecraft digest..." >> >> >> Today's Topics: >> >> 1. TMP connectors (Jim Rhodes) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Fri, 6 Jun 2025 20:25:45 -0600 >> From: Jim Rhodes <[email protected]> >> To: [email protected] >> Subject: [Elecraft] TMP connectors >> Message-ID: >> <calhxr4baljvgxqdonehm5n6daoxy8caurahenzty6t2yyib...@mail.gmail.com> >> Content-Type: text/plain; charset="UTF-8" >> >> My K3 does not get a lot of use anymore because its spot on the desk has >> been taken by the K4D. Now the K4 has been at the mothership and the K3 >> was perking along just fine and then went silent suddenly. No receive, no >> transmit. I opened it up and poked around a bit the next day with the top >> cover off and all of a sudden the receive started crackling and transmit >> was fine. Buttoned it back up and it worked fine during off and on use for >> a few days, then it went quiet again after an all day stretch. So I popped >> the top and twisted all of the TMP connectors that I could reach, powered >> it up and it has been working fine again. >> My question to the group is: Has anyone ever gone to the trouble of >> treating all of those pesky little connectors with some kind of dielectric >> grease to keep them from this kind of behavior? By the time you add the >> second receiver and the 2 meter board there gets to be a lot of the little >> buggers in there and most of them are hard to get at. Seems like it might >> be a good project to try now that the K4 is on its way home again. >> >> Jim K0XU >> [email protected] >> >> >> ------------------------------ >> >> _______________________________________________ >> Elecraft mailing list >> Post to: [email protected] >> http://mailman.qth.net/mailman/listinfo/elecraft >> You must be a subscriber to post. >> Elecraft web page: http://www.elecraft.com >> >> End of Elecraft Digest, Vol 254, Issue 7 >> **************************************** > > > > ------------------------------ > > Message: 2 > Date: Sat, 7 Jun 2025 16:54:54 +0000 > From: Doug Hensley <[email protected]> > To: Elecraft List <[email protected]> > Subject: [Elecraft] Parts & Accessories Sale Continued, June Update > Message-ID: > > <ch3p220mb200196676dbcbd2becd141f691...@ch3p220mb2001.namp220.prod.outlook.com> > > Content-Type: text/plain; charset="Windows-1252" > > Parts & Accessories Sale Continued, June Update > > > 1. K3s VFO A and VFO B Floating Point Encoder Assemblies, E850239, > 2 Left, $65 ea, $130 both, plus $5.50 USPS > > 2. K3 or K3s 12? (approx - practical length is 8 - 10?) Configuration Cable, > 1 Left, (TMP Cable - E850338) $15.95 plus $4.95 USPS. > > 3. K3s AF/sub and RF/SQL Knobs. Both E980091 small & E980092 large > (a set), $8.00 plus $4.95 USPS; (2 Sets Left) > > 4. Elecraft MH-4 Microphone for K3 / K3s / K4 - NIB $79.95 plus $ 5.95 USPS; > Comes with Data-Sheet and hand-set mounting bracket kit; > > 5. Spare Elecraft microphone hand-set bracket kit, Unused, 2 piece with > screws. > Also comes with K3 & early K3s 12V power outlet update; both for $4.95 > plus $3.95 USPS; > > 6. Elecraft USB Cable for K3 / K3s / K4 Firmware Download - NIB $19.95 > plus $4.95 USPS; > > 7. Oak Hills Research RFL-100 100W Precision Dummy Load w/50 ohm > Type-N input connector. Built, tested but otherwise unused, . This > measures > 50 ohms on my Fluke DVOM; it is rated for 100 Watts continuous given open > air ambient conditions. Uses a matrix of non-inductive metal oxide > resistors. > Pictures on request. $119.95 plus $8.95 USPS. Add $4.95 for a Type N > male > to SO-239 female standard adapter. > > 8. Daiwa CS-201A Antenna Coax Switch, unused, 2-port, UHF Female, SO-239. > Connects one antenna to one of two radios or one radio to one of two > antennas. > NIB. $45 plus $5 USPS; Pictures on request. > > 9. Archer ?Super-Flex? black Microphone Cable: 25 feet (approx) of Catalog > 278-1281, one pair red/black shielded highly flexible black 6mm > microphone or > headset cable. $18.00 plus $7.95 shipping; > > 10. Approximately 125 Feet of 1/4? Dacron Black Woven UV resistant Antenna > Rope still on Spool, unused, as new. $35 plus 8.95 USPS. > > 11. Power-Werx SS-30DV Power Supply for all K-Series transceivers. As new; > tested during my misspent SO2R station build but not used. $130.00 plus > 8.95 > shipping; > > 12. Astron RS-70M Heavy Duty Metered 14.5V power supply in as new condition. > It is boxed well, repacked as received. Picture set on request. $550 > plus shipping. > Add $6 if you want insurance. This is an awesome linear power supply. > You can > estimate your own shipping by referencing a 16 x 16 x 12 carton weighing > 50 lbs. > Here are the specs: > > > * CONTINUOUS DUTY: 57 Amps > * ICS*: 70 Amps > * DIMENSIONS: 6 x 13? x 11" > * SHIPPING WEIGHT: 48 lbs. (16? x 16? x 12?) > * FUSE: MDA 12A Ceramic > * POWER TERMINALS: > * 1/4"-20 Screw Type > * AC CURRENT DRAW > > IDLE: 340mA > FULL LOAD: 11.4A > > * FAN COOLED: Yes > * LED BACKLIT VOLT AND AMP METERS > > Payment by simple personal or free bank check to my FCC/QRZ QTH or Zelle. > Will combine shipping where there are multiple purchases except for the power > supplies. Sales are final; please, no returns. Contact me privately offline > via > w5jv at arrl.net<https://mailman.qth.net/mailman/listinfo/elecraft> or w5jv > at hotmail.com.<https://mailman.qth.net/mailman/listinfo/elecraft> The ARRL > alias is a different address > and more reliable. Any blaring errors here are my own & will be corrected if > you?ll let me know. I'm open to price correction (not offers). > > If you respond, be patient. I keep every inquiry in order and in the order > received. > I'm usually only by my computer in the morning but will respond to all > inquiries. > > > Cheers, > > > > Doug W5JV > K1-4 > > > > > > > > Visit https://www.qrz.com/db/W5JV for some great vacuum tube finds. > > > > > ------------------------------ > > Message: 3 > Date: Sat, 7 Jun 2025 11:17:23 -0700 > From: Fred Jensen <[email protected]> > To: Bob McGraw K4TAX <[email protected]> > Cc: [email protected] > Subject: Re: [Elecraft] Elecraft Digest, Vol 254, Issue 7 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > K4TAX said: > "Never spray anything in the radio! I would say contact grease is also a > NO NO." > > Yep.? Never ever, at any time or place, ever spray anything in or near > your radio.? Many years ago in SE Asia, the KWM2-A's suffered from > fungus encroachment.? Well, so did everything else including all of us.? > The DoD provided a spray, supposed to inhibit the growth, for > equipment.? Following instructions in the TCTO, a troop sprayed a KWM2-A > chassis.? The mist found it's way into the dial mechanism and PTO, > liquified the plastic parts and the pricey radio went from Supply Class > 1 [serviceable] to 86 [scrap] in about 15 mins. > > Contact cleaner may be chancy also.? Probably OK on plugs IF you get > them away from the radio and make sure it has all evaporated before > replugging. Best to subscribe to the theory, "If Wayne had wanted us to > use solvents on Elecraft radios, a small bottle would have come with the > kit." > > > 73, > > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > >> Bob McGraw K4TAX <mailto:[email protected]> >> Saturday, June 7, 2025 9:34 AM >> I would carefully unplug each connector. Clean it using a Q-tip >> moisten with contact cleaner. Then plug it back in. Make sure it is >> fully and correctly inserted. >> >> Never spray anything in the radio! I would say contact grease is also >> a NO NO. >> >> 73 >> Bob, K4TAX >> >> Sent from my iPhone >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > > -- > This email has been checked for viruses by AVG antivirus software. > www.avg.com > > ------------------------------ > > Message: 4 > Date: Sat, 7 Jun 2025 15:12:35 -0400 (EDT) > From: DOUG SHIELDS <[email protected]> > To: "[email protected]" <[email protected]>, DOUG > SHIELDS <[email protected]> > Subject: [Elecraft] Loaded K3 and P3 for sale > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > I have a great K3 and P3 combo for sale. Both pieces are in great > condition with no known faults. I have been using this pair almost daily for > about a year. I am just trying to raise some funds to purchase a K4. Photos > are available if desired. Please ask if you have any questions. > Doug Shields W4DAS > Stuart, Florida > > K3 serial number 4480 > 100 watt amp installed > Filters in primary receiver: 2.8KHz, 1.8KHz, 1.0KHz, 400Hz, 250Hz. > Second receiver installed > Filters in second receiver: 2.8KHz, 1.8KHz, 1.0KHz, 400Hz, 250Hz. > Upgraded synthesizers > KAT3 auto tuner > Upgraded I/O board > Upgraded XVTR board > All the upgrades you can do to get a K3 as close to a K3S as possible. > No known faults, excellent cosmetic condition > > P3 serial number 4128 > SVGA option board installed > Transmit monitor option board installed > 1.8 - 54MHz, 2KW coupler > No known faults, excellent cosmetic condition > > Cables for connecting the K3 to the P3 included. > K3 power cable > Shipped in original Elecraft shipping boxes and inserts > $2200 shipped in the lower 48, slightly higher elsewhere. > > ------------------------------ > > Message: 5 > Date: Sat, 7 Jun 2025 19:41:15 +0000 > From: Jerry Moore <[email protected]> > To: DOUG SHIELDS <[email protected]>, "[email protected]" > <[email protected]> > Subject: Re: [Elecraft] Loaded K3 and P3 for sale > Message-ID: > > <cy8pr12mb73383e395161953257fa727bd7...@cy8pr12mb7338.namprd12.prod.outlook.com> > > Content-Type: text/plain; charset="us-ascii" > > Is the k3 sub receiver the same as the k3s receiver,?? > > > Sent from my Verizon, Samsung Galaxy smartphone > Get Outlook for Android<https://aka.ms/AAb9ysg> > ________________________________ > From: [email protected] <[email protected]> on > behalf of DOUG SHIELDS via Elecraft <[email protected]> > Sent: Saturday, June 7, 2025 3:12:35 PM > To: [email protected] <[email protected]>; DOUG SHIELDS > <[email protected]> > Subject: [Elecraft] Loaded K3 and P3 for sale > > I have a great K3 and P3 combo for sale. Both pieces are in great > condition with no known faults. I have been using this pair almost daily for > about a year. I am just trying to raise some funds to purchase a K4. Photos > are available if desired. Please ask if you have any questions. > Doug Shields W4DAS > Stuart, Florida > > K3 serial number 4480 > 100 watt amp installed > Filters in primary receiver: 2.8KHz, 1.8KHz, 1.0KHz, 400Hz, 250Hz. > Second receiver installed > Filters in second receiver: 2.8KHz, 1.8KHz, 1.0KHz, 400Hz, 250Hz. > Upgraded synthesizers > KAT3 auto tuner > Upgraded I/O board > Upgraded XVTR board > All the upgrades you can do to get a K3 as close to a K3S as possible. > No known faults, excellent cosmetic condition > > P3 serial number 4128 > SVGA option board installed > Transmit monitor option board installed > 1.8 - 54MHz, 2KW coupler > No known faults, excellent cosmetic condition > > Cables for connecting the K3 to the P3 included. > K3 power cable > Shipped in original Elecraft shipping boxes and inserts > $2200 shipped in the lower 48, slightly higher elsewhere. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > > ------------------------------ > > Message: 6 > Date: Sat, 7 Jun 2025 16:18:39 -0400 (EDT) > From: DOUG SHIELDS <[email protected]> > To: "[email protected]" <[email protected]> > Subject: [Elecraft] Loaded K3 and P3 are sold > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > Good afternoon everyone, > Thank you for the comments, suggestions, and offers. The K3 and P3 have > been sold. Thank you all. > Doug W4DAS > > ------------------------------ > > Message: 7 > Date: Sat, 7 Jun 2025 17:56:55 -0700 > From: kevin <[email protected]> > To: Elecraft Reflector <[email protected]> > Subject: [Elecraft] Elecraft CW Net Announcement > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8; format=flowed > > Good Evening, > > ?? Cool, sunny days have progressed to warm, sunny days.? The Black > Headed Grosbeak is back, but using a different tree as home base.? > Larger butterflies are visiting fresh flowers.? The honeysuckle vines > east of me are attracting hummingbirds too. They add another scent to > the environment.? The bracken fern are a month away from their full > growth.? Many are over eight feet tall; their tops have not unrolled.? > In two to three years they will be feeding my trees. > > ?? The sun has calmed down.? The sunspot number is low, while the flux > is still above 100.? Multiple solar storms have hit us during the last > week.? The ionosphere should be in prime condition as long as the flares > have abated.? Maybe tomorrow the bands will be favorable. > > ? I just remembered an anniversary: the Elecraft CW Net is 23 years > old.? First net was held on June 6th, 2002 to commemorate the same day > in 1944. > > Please join us on (or near) : > > 14050 kHz at 2200z Sunday (3 PM PDT Sunday) > ?7047 kHz at 0000z Monday (5 PM PDT Sunday) > > ?? 73, > ????? Kevin.? KD5ONS > > > > > > > - > > > > > Why didn't I take the blue pill? > > > > > > ------------------------------ > > Message: 8 > Date: Sat, 7 Jun 2025 21:35:46 -0400 > From: Julia Tuttle <[email protected]> > To: Elecraft <[email protected]> > Subject: [Elecraft] 3D-printable sun shade for PX3 > Message-ID: > <CAEVEBrNWhL5h00CX=N6HsBLDny7ei=s8ufaxnt2o0e2rprs...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Hi folks, > > I just finished designing a 3D-printable sun shade for the PX3 with the > Side KX end panels (required) and cover (optional but compatible), and I > thought it might be of interest to others on the list. > > If you're interested in printing one for yourself -- either personally or > through a print-on-demand service -- the model is available here: > > https://makerworld.com/en/models/1497126-sun-shade-for-elecraft-px3-with-sidekx-handles > > It's shared under a non-commercial license; please reach out if that's a > problem for you. > > 73, > > Julie > > > ------------------------------ > > Message: 9 > Date: Sun, 8 Jun 2025 08:51:00 -0500 > From: John Canfield <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] TMP connectors (Jim Rhodes) > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8; format=flowed > > I use Dow Corning 5 Compound dielectric grease on all of my outside coax > connectors, just a little pinky size on the SO239 or F connector. > However I use it to prevent any moisture contamination but I suppose it > could inhibit any dissimilar metal corrosion or oxidation. Not sure if > there would be any benefit for your application though plus it's just a > tad messy. Since you have an intermittent problem I suppose you could > try it and see what happens (or doesn't happen.) > > John W5TWO > >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Fri, 6 Jun 2025 20:25:45 -0600 >> From: Jim Rhodes <[email protected]> >> To: [email protected] >> Subject: [Elecraft] TMP connectors >> ----snip----- So I popped >> the top and twisted all of the TMP connectors that I could reach, powered >> it up and it has been working fine again. >> My question to the group is: Has anyone ever gone to the trouble of >> treating all of those pesky little connectors with some kind of dialectric >> grease to keep them from this kind of behavior? ----snip---- >> >> Jim K0XU >> [email protected] > > > ------------------------------ > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > http://mailman.qth.net/mailman/listinfo/elecraft > You must be a subscriber to post. > Elecraft web page: http://www.elecraft.com > > End of Elecraft Digest, Vol 254, Issue 8 > **************************************** ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
