QTH.COM Ham Radio Classified Ads - Swap amateur radio HF VHF equipment buy sell trade on line

RADIOHF - KB5NJD NJDTechnologies 630 meter amp: KB5NJD NJDTechnologies 630 Meter Amplifier - # 005 Rare ?
$189 delivered - check, Zelle, PP FF ok.
This cool looking amp came with a k3 that I just purchased..From an estate :(
I know nothing about 630 meters...
Please see the maker KB5NJD On his qrz page for more info.
Please see pictures of everything included.
If you need other K3 radios or options,I probably have what you need.
I can be reached through email if you have questions about this unit.
Larry K6RO; Listing #1753322 - Submitted on 12/20/25 by Callsign K6RO, Web Site: http://www.K6RO.com - IP: 209-76-69-149.orohosp.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
COMPUTER - yaesu Gs232b computer controller: Yaesu computer controller GS 232 B excellent condition all cables $200.00 cost $600.00 new. Call David (415-302-4936 ) N6OVP 73`s; Listing #1753320 - Submitted on 12/20/25 by Callsign N6OVP - IP: c-67-170-211-17.hsd1.ca.comcast.net; Click to Contact -- Send this Ad to a Friend
RADIOHF - National Radio Company HRO-500: The receiver is in good condition but needs some TLC. $500 plus shipping.; Listing #1753319 - Submitted on 12/20/25 by Callsign N7JKY - IP: c-73-83-170-149.hsd1.wa.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOHF - Kenwood Ts130s transceiver: Kenwood TS-130S 10-80m HF Transceiver, including WARC bands. Puts out 100W 15-80m. Looks and works good. Operates SSB and CW. My backup rig.
Looks and works good. Operates SSB and CW. Comes with hand microphone. Contacts with good signal and audio reports.
Asking $350 pickup LaGrange Ga, or plus shipping. Has DC12v plug. Great little radio. Sold as-is, no returns. Mess 706-318-1338; Listing #1753318 - Submitted on 12/20/25 by Callsign WB4RGQ - IP: syn-024-181-076-000.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
RADIOHF - ELECRAFT K3 and K3S 1.8K SSB Data Filter: ELECRAFT K3 and K3S 1.8K SSB and Data Filter - KFL3A-1.8 - SALE !
Just removed it from a radio today.
$79.99 delivered - check, Zelle, PP FF ok.
A bit of patina on it,but works like new.
This is the most popular filter that I sell.

If you want to add a CW filter to your K3 or K3S,this could be for you.
Pretty simple to install.
These were $169.99 on the Elecraft site before they discontinued them.
Buy it here for less :)
Please see pictures of everything included.
If you need other K3 radios or options,I probably have what you need.
I can be reached through email if you have questions about this unit.
Larry K6RO; Listing #1753315 - Submitted on 12/20/25 by Callsign K6RO, Web Site: http://www.K6RO.com - IP: 209-76-69-149.orohosp.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOVHF - Kenwood THD75A with rabbit charger: this Kenwood is in pretty good condition. It is very gently used. It comes with the rapid charger. I may include the spare battery if I can find it I’m looking to sell for $300 or best offer I live in Baltimore. My call sign is VE6VBF; Listing #1753301 - Submitted on 12/20/25 by Callsign VE6VBF - IP: pool-100-16-78-253.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
RADIOVHF - For Sale: Icom IC-R100 Wide Band Receive: Hello everyone,...I have up for sale an Icom IC-R100, a compact multi-mode receiver covering from 100 kHz to 800 MHz and 900 to 1856 MHz. Reception modes include AM, FM and FM-wide. The IC-R100 is easy to operate. Of the 121 total memory channels, 100 store operating frequencies, modes, RF attenuator and preamplifier settings. This receiver is in nice condition, works as it should. Includes a wall supply. Price is $240 and includes shipping to the U.S. Thanks & 73,...Tim (K8TBS); Listing #1752340 - Submitted on 12/10/25 by Callsign K8TBS, Modified on 12/20/25 - IP: 108-192-86-97.lightspeed.bcvloh.sbcglobal.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOHF - Good working icom 735: Works well, no issues other than the door is missing. Comes with mic abd power cord and instructions. Shipping is to only lower 48 usa only. No im not shipping overseas. Asking 250.00 plus shipping. It'll be packed in bubble wrap and insured. PAYPAL OR POSTAL MONEY ORDERS ONLY. NO TRADES. Phone calls and text only..; Listing #1753293 - Submitted on 12/20/25 by Callsign K9FON - IP: 70.sub-174-238-49.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOHF - Elecraft K3 K3S 400 HZ CW Filter: ELECRAFT K3 and K3S 400HZ CW and DATA Filter - KFL3A-400 -
Just removed it from a radio today.
$79.99 delivered - check, Zelle, PP FF ok.
A bit of patina on it,but works like new.
This is the most popular filter that I sell.

If you want to add a CW filter to your K3 or K3S,this could be for you.
Pretty simple to install.
These were $169.99 on the Elecraft site before they discontinued them.
Buy it here for less :)
Please see pictures of everything included.
If you need other K3 radios or options,I probably have what you need.
I can be reached through email if you have questions about this unit.
Larry K6RO; Listing #1753292 - Submitted on 12/20/25 by Callsign K6RO, Web Site: http://www.K6RO.com - IP: 209-76-69-149.orohosp.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOANQ - F/S realistic dx394: For sale dx394 excellent condition inside and out $120 +$20 shipping; Listing #1753288 - Submitted on 12/20/25 by Callsign N1IYV - IP: 173-251-182-166.mobile.uscc.com; Click to Contact -- Send this Ad to a Friend