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Displaying ads 1 to 10 of 3284 ads matching your search
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RADIOHF - Elecraft K3 K3S KSYN3A Updated Synthesiz   Elecraft KSYN3A K3 K3S UPDATED Synthesizer Option board. $348 delivered - check, Zelle, PP FF ok. If you want to upgrade your K3 to close to a K3S,you may want this. Or,if you are adding a sub receiver to your K3S,you will also need one of these. I have a matching K3 in another listing. These have been discontinued at Elecraft. Comes with manual. Please see pictures for more details. Local pickup is also fine. I can be reached through email if you have questions about this unit. Larry K6RO Listing #1763276 - Submitted on 03/26/26 by Callsign K6RO, Modified on 04/12/26, Web Site: http://www.K6RO.com - IP: 209-76-88-34.raymorgan.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  TEST - FS: SIMPSON 260 WORKING; NEW MOVEMENT   For Sale: Simpson Model 260 VOM meter. Has Factory new front panel assembly with integral meter movement; balances perfectly in Horizontal and Vertical positions; so movement was never abused!!. All ranges tested and working very well. Shown measuring a 10 Ohm resistor on the RX1 scale. This has AC/DC voltages from 2.5 volts to 5kV and Resistance with current ranges. Comes with copy of the manual and test leads rated for 5kV. Runs on standard AA and one D cell. This is the Classic laboratory grade instrument made in the USA and used all over the world for years. $135.00 shipped in the CONUS. This will be very well protected with large RED FRAGILE labels on all sides of the new box. Your check or USPS MO; I am gd in QRZ. Or PayPal to: jtg4300 at yahoo.com ----- Will combine shipping, where possible. See my other ads for Drake, RF, UNGAR and other gear. Listing #1763515 - Submitted on 03/29/26 by Callsign WA1BRI, Modified on 04/12/26 - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - FOR SALE: BIRD COAX SWITCH MODEL 74   FOR SALE: BIRD ELECTRONICS COAX SWITCH MODEL 74 From an SK Estate sale, this Model 74 BIRD Coax switch will handle 6 antennas, 50 ohm impedance, freq range DC-10 GhZ, and is fitted with N-Connectors. Two N-male to SO-239 female connectors & Spec sheet included. Max Power – 850W at 100 MhZ; Max RF Voltage – 500 V RMS; 1 KW+ at HF freqs should be no problem. Configured for Panel mounting, but adaptable. Dimensions: 3 ¾” dia, 6” d; 2 ½ lbs. Retail Price $700+. Price: $165 shipped; Paypal accepted. Contact Alan K9MBQ in Charlottesville, VA. Listing #1762830 - Submitted on 03/22/26 by Callsign K9MBQ, Modified on 04/12/26 - IP: 71-219-123-27.chvl.qwest.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - Elecraft K3 K3S KXV3B Transverter - IO   ELECRAFT K3 K3S KXV3B Transverter I/O - Preamp option board. $248 delivered - check, Zelle , PP FF ok. If you want to upgrade your K3 to add this option.this may be for you. I can give you $40.00 for your working KXV3a board when you send it to me. I will be listing items all weekend. I can be reached through email if you have questions about this unit. Larry K6RO Listing #1760101 - Submitted on 02/25/26 by Callsign K6RO, Modified on 04/12/26, Web Site: http://www.K6RO.com - IP: 99.37.36.186 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  TOWER - Custom trailer for AB577 portable towers   Custom trailer to carry one or two AB577 masts (trailer designed and built by W4MY). The picture shows how everything fits - it is not strapped down for transport, but you can see how it fits two masts and two big job boxes for all the parts and tools, with space left over. I placed my antennas down the middle, on top of two boxes. (Sorry, the masts are not included, they have been sold.) Trailer is in good condition, tires are excellent, it pulls smooth and straight. It is titled. Takes 1 7/8" ball. More pictures available. $700 Listing #1764855 - Submitted on 04/12/26 by Callsign K4OV - IP: syn-098-027-052-078.res.spectrum.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - ELECRAFT K3 K3S KIO3B USB - Computer int   ELECRAFT K3 K3S KIO3B USB - Computer interface board - Often asked for. $449.95 exchange delivered ,with your good working kio3 board. $489 without exchange. Check, Zelle, PP FF ok. I will be listing Elecraft radios,P3's and options all weekend. Please see pictures for more details. Local pickup is also fine. I can be reached through email if you have questions about this unit. Larry K6RO Listing #1758868 - Submitted on 02/13/26 by Callsign K6RO, Modified on 04/12/26, Web Site: http://www.K6RO.com - IP: 99.37.36.186 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  AMPVHF - Mirage D 100ATVN 420-450 MHz 2in-100out   Mirage D100ATVN uhf amplifier $350.00 shipped within cont. USA. Amplifier works as it should, and is in excellent condition. Cord is about 3 foot with power pole connectors. Comes with original box . No manual. The dust on amp is free. Listing #1763261 - Submitted on 03/26/26 by Callsign KW4LN, Modified on 04/12/26 - IP: 50.25.154.237 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  ANTETUNE - FS:ANTENNA TUNER 300 WATT JSR MODEL 300A   For Sale: 300 Watt Antenna Tuner/Power meter Similar to the MFJ 929B for Coax, Balanced and Wire antennas. Tested and working with my Kenwood TS-430S and EFHW on 20 meters. Settings: 8, C, 6. Comes with manual for the 929B. Email me for more photos. Very good condition with pads to protect furniture and other equipment. Compact size; perfect for Mobile, POTA or Field day. Size: 8" by 6" by 3" high. Includes a PL-259 to BNC Adapter. $45.00 and actual shipping (maybe $14.00) Your check or USPS MO; I am gd in QRZ. PayPal me at my email address (jtg4300 at yahoo.com) Just let me know that payment is on the way and I will get you the Tracking number. See my other ads for more RF parts, Simpson, Drake, UNGAR, Scope Probe and other gear. Will combine shipping, where possible. Listing #1764854 - Submitted on 04/12/26 by Callsign WA1BRI - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  BOOKMAG - 73 Magazine Final Issue   Good, intact condition final edition of 73 Magazine. * Issue 514 September 2003 * $23 shipped USA. PayPal, check, or USPS Money Order Listing #1764853 - Submitted on 04/12/26 by Callsign WB7X, Web Site: http://www.WB7X.net - IP: ip24-251-197-114.ph.ph.cox.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - Elecraft K3/10 Transceiver # 2079 10 Wat   Elecraft K3/10 High Perf 160-6m Transceiver 2.7 # 2079 10 Watt QRP I have been asked for a 10 watt k3 many times,so here you go. $709 delivered - check, Zelle, PP FF ok. SER # 2079 10 Watts 2.7 SSB filter KIO3 Very nice radio Latest firmware installed. 5.67 Works as it should. Good condition. Power cord Used it today on CW and SSB. If you are looking for a great radio without lots of options that you won't use,this may be for you. Missing the rear panel,but you can easily make one. And if you want a K3 with more options,I have many to choose from. Please see pictures for more details. Local pickup is also fine. I can be reached through email if you have questions about this unit. Larry K6RO Listing #1763027 - Submitted on 03/24/26 by Callsign K6RO, Modified on 04/12/26, Web Site: http://www.K6RO.com - IP: 209-76-88-34.raymorgan.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend

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