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Displaying ads 1 to 10 of 3389 ads matching your search
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AMPHF - KPA500 RF Power Monitor    KPA500 RF Power Monitor — Real-Time OLED Display for Elecraft KPA500 Six critical parameters, always visible, updating 10×/second on a high-contrast 256×64 OLED. No menu cycling. No squinting. Monitors: Power Output (0–700W) · PA Voltage · PA Current · SWR · PA Temperature · Band + Operate/Standby 3×2 grid layout — large fonts sized for quick reading across the shack. Direct RS-232 integration via MAX3232 — no amplifier modification required. Specs: XIAO ESP32-C3 · SSD1322 256×64 OLED · 9–14.8V DC · 100mA · 10 Hz update rate · 4″ × 2″ × 4″ Bonus: Built-In WiFi — web interface mirrors the OLED with a retro green-on-black aesthetic, updated via WebSocket. Includes Power, Operate/Standby, Fan Speed, and Band controls plus OTA firmware updates. Access via kpa500.local — no app required. OLED operates independently of WiFi at all times. Includes: Assembled & tested unit, DC power cable, RS-232 cable, quick start guide. --$199 plus $10 shipping Listing #1763890 - Submitted on 04/02/26 by Callsign KV5J, Web Site: http://www.kv5j.com - IP: customer.mmmiflx1.isp.starlink.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - PUTIKEEG MINI IAMBIC KEY MCT02   1 AD WILL DELETE WHEN SOLD QSO VIA QTH ONLY BRAND NEW IN FACTORY SEALED BOX CW Keyer Double Paddle Morse Key Mini Versatile for radio enthusiasts, camping, or indoor use. The weight is 0.24 pounds (106 grams). Constructed from Aluminum alloy for durability and rust resistance. Features magnetic base for easy fixation on iron surfaces. Customize Dit & DAH paddle distance for personalized experience. Equipped with left and right switches for convenient operation. Includes 5.5mm wrench and 1.5mm hex key. NOTE: PICTURE IS STOCK - I CAN SUPPLY A PICTURE OF THE SEALED BOX $60 SHIPPED US Listing #1763889 - Submitted on 04/02/26 by Callsign K4WSB - IP: 47-199-239-188.fdr01.tmtr.fl.ip.frontiernet.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - QSK-5   I wish to sell an Ameritron QSK-5 T/R switch that I no longer need. These are no longer available from the manufacturer. The original cost was $379.00 but I am willing to accept a reasonable offer. I have two of these switches for sale. PayPal preferred. Listing #1763888 - Submitted on 04/02/26 by Callsign K1MZM - IP: 69-53-40-228.burlvt.fidium.ccidns.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - WTB: Kenwood VFO-230 and SP-230   Looking to buy a Kenwood VFO-230 and a SP-230 Speaker to match the TS-830s transceiver. Must be in good condition. Please send photos along with prices. I’ll only respond to emails through qth or texts. Thanks and 73’s W4EKY Listing #1763059 - Submitted on 03/24/26 by Callsign W4EKY, Modified on 04/02/26 - IP: 173.80.201.26 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOVHF - Icom ID-5100a with extras   Icom ID-5100a. Everything works flawlessly. No scratches or scuffs on the screen, and no dim spots. Includes what you see in the photo - original box, original microphone, mounting bracket, and original power cable. Extras: UT133A Bluetooth module installed and fully functional MARS mod, performed by HRO Salem SP-35 Icom external speaker 3ft microphone extension cable $425 includes shipping via UPS Ground with insurance to the lower 48 states. I will accept Paypal, Zelle, Venmo, CashApp, or USPS Money Order. Listing #1763887 - Submitted on 04/02/26 by Callsign AJ4H - IP: d149-67-182-126.clv.wideopenwest.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - Flex Control   I wish to sell a Flex Radio Controller that I no longer need. The retail price is $200 and I wish to sell this one for $125 shipped. PayPal preferred but I will consider other forms of payment. Listing #1763886 - Submitted on 04/02/26 by Callsign K1MZM - IP: 69-53-40-228.burlvt.fidium.ccidns.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - 300 Hz Filter for Yaesu FTDX10   I sold my FTDX10 and the buyer did not want the 300 Hz roofing filter. I paid $200 for the filter and I would like to sell it for $150 shipped. PayPal preferred but will consider all other forms of payment. Listing #1763885 - Submitted on 04/02/26 by Callsign K1MZM - IP: 69-53-40-228.burlvt.fidium.ccidns.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  TEST - MFJ 891 Wattmeter   Here is a MFJ 891 giant HF wattmeter that is in excellent condition. It is a great addition for your shack and is ideal for someone that has low vision. I am asking $80 shipped to the lower 48 states. You can email me at rolph981 at gmail.com or text me at (859) 967-9562. I accept PayPal or a money order. Thank you for looking. Listing #1763884 - Submitted on 04/02/26 by Callsign KB4QNR - IP: 46-110-130-0-194.metronet.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - Bencher BY-1 Key with Case   Offering a Bencher dual-lever iambic paddle key with black powder-coated solid steel base. Features adjustable spring tension and contact spacing. Key is in mint condition and works perfectly. It includes the allen wrench used for making adjustments. I was going to use this key for POTA which is why it is wired with a 3.5mm female plug and has a hard-shell carrying case, but it never made it out into the field. The key itself weighs approximately 3 lbs, which provides stability while in use. The top just slides over the base on the hard case and needs to be secured during transport; it will be held together with rubber bands for shipping. $125 shipped CONUS. PayPal F&F (NO G&S), check, money order; held until funds clear. All sales final, no returns. Listing #1763829 - Submitted on 04/01/26 by Callsign K8MDG, Modified on 04/02/26 - IP: 172.58.120.44 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  AMPHF - SPE Expert 1K-FA Amplifier   We are assisting Jim / K4BSE in closing down his shack. Jim has a real nice SPE Expert 1K-FA amplifier for sale. This amp (S/N 155001995) has the ATU. Its only problem is that a the screen isnt lighting, but Jim uses the Expert Utility program to control the amp. The screen problem can be cured for about $200 according to SPE Expert's certified technician down in TX. Jim is looking for $2000 or best offer. Listing #1763136 - Submitted on 03/25/26 by Callsign W4NT, Modified on 04/02/26 - IP: syn-035-129-189-022.res.spectrum.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend

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