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Vintage HP Power Supply & Tube Voltmeter: Hewlett Packard Model 712B Power Supply
0-500 Volts DC
and
HP Model 410B Vacuum Tube Voltmeter
These will both rackmount
Made in the USA
Old, untested
Make Offer
Pickup in Virginia or inquire about shipping/delivery; Listing #1764910 - Submitted on 04/13/26 by Callsign W4JST, Modified on 04/16/26 - IP: 73.99.134.215; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale: PowerMaster II: Excess to my needs and needs a good home. Very little use and I am the original owner. Excellent conditon and used in a non smoking environment. $450.00 OBO.; Listing #1765000 - Submitted on 04/14/26 by Callsign N2WF, Modified on 04/15/26 - IP: 172.58.1.67; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Meters, meters, and more meters: 2 - square milliamperes
1 - small round milliamperes
2 - round microamperes
3 - RF amperes, one round 2 square
1 - AC volts
1 - Attenuator Multiplier
hows $25 each, you pay the shipping? want more than one? let me know and we can work it out. they are not doing me any good hanging around here...; Listing #1765082 - Submitted on 04/15/26 by Callsign W5RJJ - IP: 74.244.15.137; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Diamond SX-100 HF SWR/Power Meter: .
Diamond SX-100 HF SWR/Power Meter — 1.6–60 MHz, up to 3KW in VG cosmetic and operating condition. It measures forward and reflected power along with VSWR across a wide frequency range of 1.6–60 MHz, with three selectable power ranges (30W / 300W / 3KW) and switchable RMS or peak (PEP) measurement modes. The rugged metal chassis and illuminated analog display (with optional 12V DC) $80 shipped CONUS; Listing #1760928 - Submitted on 03/04/26 by Callsign W1MBB, Modified on 04/15/26 - IP: 23.124.38.7; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Bird 3217 10KW Meter Rack Mount: Surplus Bird 3217 Bird Watcher Monitor operates 2mhz to 1ghz with line section and 100uV slug (NOT INCLUDED). $3,955 new, $1k+ surplus. Selling for $225 plus shipping; Listing #1763218 - Submitted on 03/26/26 by Callsign W1MBB, Modified on 04/15/26 - IP: 23.124.38.7; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
db products 100w dummy load: db products 100 w n connector dummy load tested good $100 shipped
I no longer use PayPal
Zelle,venmmo,cash app postal mo or check Pedro wy4a; Listing #1764889 - Submitted on 04/13/26 by Callsign WY4A, Modified on 04/15/26 - IP: 71-214-215-1.orlf.qwest.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS: RIGEXPERT AA-230 ZOOM OPEN BOX: FOR SALE: Estate item, RIGEXPERT AA-230 ZOOM new in opened box. Comes with manual, an Elecraft USB cord (4 ft), and a type-N male to SO-239 female gender changer. Tested, works great, sale is for licensed amateur only. No bluetooth but otherwise fully featured. $495 plus your choice of S&H. Pay through PayPal + 3%.; Listing #1764989 - Submitted on 04/14/26 by Callsign W5JV, Web Site: https://www.qrz.com/db/W5JV - IP: ip70-172-246-54.br.br.cox.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RIGEXPERT AA-600 ANTENNA ANALYZER: RIGEXPERT AA-600 Antenna Analyzer. 1-600 MHZ. One owner, Brand New, Used Indoors. Includes USB Cable, Instruction manual and software manual. Or use internal AA batteries. Nonsmoking, no pets, no kids household. Purchased for $600.00; Sell for $380.00 USD plus $30.00 USD Shipping. PayPal -or- U.S. Post Office Money Order ONLY. AA7LX. 73'.; Listing #1762846 - Submitted on 03/22/26 by Callsign AA7LX, Modified on 04/13/26 - IP: ip68-2-42-24.ph.ph.cox.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Anritsu site master S331B and accessorie: Anritsu site master S331B with calibration tool and cable for sale. Unit works and is in good condition. Manual,Case and power supply included.Battery is bad, but can be replaced. Price is $400 plus shipping. estimate shipping USPS with insurance $45. Unit is sold as is. Contact prefered text or phone at 9188304727. PayPal or Zelle for payment perfered; Listing #1761692 - Submitted on 03/11/26 by Callsign N5DRS, Modified on 04/13/26 - IP: ip184-187-249-252.ok.ok.cox.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
IFR-1200S Service Monitor no tracking: IFR-1200S Service Monitor no tracking
RECENT SERVICING AND CALIBRATION. $850 PLUS SHIPPING
PAYPAL ZELLE OR ANY KIND OF CHECK.; Listing #1764902 - Submitted on 04/13/26 by Callsign K9DTC - IP: c-98-253-212-63.hsd1.il.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend