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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 for remote use — 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. --$229 plus $10 shipping Listing #1765967 - Submitted on 04/24/26 by Callsign KV5J, Modified on 04/30/26, Web Site: http://www.kv5j.com - IP: mobile-107-77-199-165.mobile.att.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - Elecraft K3 K3S K4 Items week of 4/30   Elecraft K3 K3S K4 Items 4/30 Fred Cady manuals $42 K3 K3S knobs $8 K3S VFO Rubber $20 KPA500 $2335 KPA500 $2095 - Has one issue K3/0 Remote Head $464 K3/0 Mini Remote $965 KSYN3A Syn board $328 KDVR3 Digital keyer $170 K144XV 2 Meter module $322 KRX3 Sub Receiver - $239 price $209 with K3 or p3. 200,400,500 1.0 ,1.8 ,2.7 Filters $69 ea 250 CW $96 2.1 $89 2.8 $96 6K or FM $105 KAT3 Tuner $361 if you send me kant3 or $385 with no trade. KBPF3 $150 K4 D/100 W/ tuner SOLD K3 Parts radio $312 K3 Parts radio $295 K3/10 QRP $688 K3 - No tuner $989 K3 W/tuner $1345 K3S - W/Tuner $2389 K3S No tuner $2189 P3 $564 P3 VGA Module $291 P3 With TX Mon. $836 P3 W/ vga and TX Monitor $1035 P3 Trans Monitor option board & coupler $292 P3 Trans mon board $175 W2 Wattmeter - no coupler $243 WOW 2kw and 200w,2kw p3 w2 couplers $141 Lots of other items Cables - many ------------ Wanted - Old boards from K3 after you upgraded . KANT3 etc Ksyn3 , Kio3, kxv3 Shipping included Pay by Check, Zelle, PP FF K6RO Listing #1766608 - Submitted on 04/30/26 by Callsign K6RO, Web Site: http://www.K6RO.com - IP: 99.37.37.86 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - WTB. Kenwood SP890W   Looking for the matching speaker for the Kenwood TS890S. >>>>> SP890W<<>>>> Listing #1766607 - Submitted on 04/30/26 by Callsign KF4TOH - IP: 170.103.100.107 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  MISC - WTB Kenwood TS890 speaker   Looking for the matching speaker for the Kenwood TS890S. >>>>> SP890W<<>>>> Listing #1766606 - Submitted on 04/30/26 by Callsign KF4TOH - IP: 170.103.100.107 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  AMPVHF - RM ITALY 85W LINEAR AMPLIFIER   RM ITALY 85W VHF LINEAR AMPLIFIER. #LA-145. 135-175 MHz. SSB or FM. PowerPole 13.8VDC Connector Installed. Brand New, One Owner. Non-Smoking, No Pets, No Kids Household. 3 Watts In, 85 Watts Out. $155.00 USD Plus $30.00 USD Shipping. PayPal -or- U.S. Post Office Money Order ONLY. 73' AA7LX. Listing #1765075 - Submitted on 04/15/26 by Callsign AA7LX, Modified on 04/30/26 - IP: ip68-3-7-205.ph.ph.cox.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  TEST - RIG EXPERT PRO   1YR OLD RIG EXPERT PRO. 0-600 MHZ COMES WITH MANUAL AND HARD CASE. WORKS PERFECTLY...I HAVE TWO...ONLY NEED ONE... ASKING $375.00 SHIPPED CONUS..PAYMENT BY ZELLE OR POSTAL MONEY ORDER. THANKS FOR READING 73' STEVE W8CRH SEMPER FI Listing #1766421 - Submitted on 04/29/26 by Callsign W8CRH, Modified on 04/30/26 - IP: customer.chcoilx1.isp.starlink.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  ANTETUNE - 4 MONTH OLD PALSTAR HF-AUTO   MINT PALSTAR HF-AUTO TUNER. SOFTWARE 2.4. RUNNING OUT OF SHACK SPACE. ONLY RUNNING 600 WATTS SO AN 1800 WATT TUNER IS OVERKILL !! WORKS WONDERFULLY, BUT JUST TOO BIG !!! S/N 43114 NEW PRICE IS $1749.00 FROM HRO AND $1799.00 FROM DXE. ASKING $1350.00 OR B/O SHIPPED CONUS, INSURED. HAVE THE ORIGINAL BOXES. PAYMENT BY ZELLE OR POSTAL MONEY ORDERS. THANKS FOR READING 73' STEVE W8CRH SEMPER FI Listing #1766530 - Submitted on 04/30/26 by Callsign W8CRH, Modified on 04/30/26 - IP: customer.chcoilx1.isp.starlink.com Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  ANTETUNE - LDG AT-1000ProII 1000w automatic antenna   1000 watt automatic antenna tuner Provides full and semi automatic antenna tuning across the entire HF spectrum plus 6 meters at power levels up to 1000 watts Excellent condition Manual and box included $375 includes shipping to continental US Listing #1766605 - Submitted on 04/30/26 by Callsign KC3INP - IP: pool-100-34-234-114.phlapa.fios.verizon.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOVHF - FS: Yaesu FT-3DR HT VHF/UHF    Yaesu FT3DR Dual Band C4FM Digital HT GPS APRS , Bluetooth. VHF/Uhf plus original box, manual, charger and original box. No SD card included. Bonus item: a HT diamond extended range antenna model RH-771. Everything works, radio has been factory reset. No issues battery is charged fully ready to use. Asking $270 shipping included to continental US only **no overseas shipping *** I take cash if in person , Zelle , us postal money order. **no paypal** serious buyers only** Interested send me an email at whiskey Charlie two foxtrot at outlook dot com and we go from there . 73 de wc2f Miguel Listing #1765228 - Submitted on 04/17/26 by Callsign WC2F, Modified on 04/30/26 - IP: c-98-230-85-107.hsd1.fl.comcast.net Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend  RADIOHF - For trade:Yaesu FT-920 for Palstar tuner   I have a excellent condition Yaesu FT - 920. HF + 50 Mhz.Comes with MH -31 hand mic, and power cord. Full output on all bands and works exactly like it should. I would consider an even trade for a nice perfectly working Palstar AT2K tuner. Listing #1766604 - Submitted on 04/30/26 by Callsign K4MWH - IP: 172.59.84.117 Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend

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