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 TEST - F/S HEATHKIT HD-1250 SOLID STATE GDO 
- I have available for sale a Heathkit HD-1250 Solid State Grid Dip Oscillator. It comes with a new, fresh 9-volt batters installed and the original owner's manual.
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As you will see in the picture, the old sticky foam that was on the inside of the case's lid has been removed, and new pieces of foam have been added (over the original foam's sticky backing) that will hold the unit and all the coils in place.
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I want $60 for this GDO including shipping.
- Listing #1746673 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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 TEST - BIRD 2500 WATT DUMMY LOAD
- MAKE A REASONABLE OFFER - - MAKE A REASONABLE OFFER
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I have available for sale a BIRD 2500 watt dummy load, model 8890-300. This is rated at 2500 watts CONTINUOUS DUTY - - no time limit at 2500 watts. It currently has an N female connector on the load, but I can change that to a UHF(SO-239) or an HN or even an LC if you prefer. The load's SWR is under 1.1 at 1 GHz, and under 1.3 at 2.4 GHZ. It has the Shipping plug installed. The Breather plug is included, and attached to the Shipping plug with a short chain.
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My asking price is $1200 plus shipping, or I can deliver it to you at any local hamfest. This is very heavy, almost 60 pounds, so shipping will be expensive. I travel to many hamfests in the mid-Atlantic area, so delivery is possible to save the shipping cost.
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More pictures available.
- Listing #1746432 - Submitted on 10/16/25 by Callsign K3DUA, Modified on 10/18/25 - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- ROTATORS - HY-GAIN LOWER MAST BRACKET - REDUCED
- I have available for sale a Hy-Gain lower mast bracket. This is in average used condition, and it comes with the mast clamp plate, but no U-bolts or screws. $40 shipped in the USA for either one
- Listing #1746672 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- TEST - AUTEK RESEARCH WM1
- I have available for sale an Autek Research WM1 Computing Wattmeter. This comes with the standard attached sensor, a hard-wired (permanently attached) wall-wart, and an original owner's manual. There is an added ON-OFF power switch mounted through the back panel. The WM1 has been tested and it is working properly.
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$125 plus shipping (USA only)
- Listing #1746671 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 1
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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AR-2 Comm Rcvr - $15
AR-3 Comm Rcvr - $15
AA-1515 Integrated Stereo Amplifier (large schematic only) - $6
AJ-15 FM-FM Stereo Tuner - $10
AK-5 Speaker - $5
AM-2 Reflected Pwr Meter - $8
BR-2 Broadcast Rcvr - $12
CB-1 C.B. XCVR - $15
CH-1068 Wiper Delay - $7
CI-1265 Speedometer/Tach - $8
CM-1050 Engine Analyzer - $9
CP-1060 Capacitive Discharge Ignition - $10
ET-3400A Micro-Prossor Trainer with Pictorial and large schematic - $15
ET-3600 Analog Trainer w/Pictorial - $12
FM-4 FM Tuner - $10
GC-1005 Electronic Clock (spec sheet w/schematic ONLY) - $8
GC-1092A Dig Alarm Clock - $12
GC-1093 Digital Car Clock - $8
GD-1A Grid Dip Meter - $8
GD-39 Ultrasonic Intrusion Alarm - $8
GD-47 5-Chnnel Digital Proportional RC System - $10
GD-69 Thumb Tach - $7
GD-206 RC Servo System Simulator - $7
GD-348 Deluxe Metal Locator - $8
GD-600 Photoelectric Light
- Listing #1746670 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 2
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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GD-973A SCR Motor Speed Control - $7
GD-1112 Telephone Amplifier - $9
GDS-1114 FM Intercom - $10
GD-1156 Dial and Coder - $8
GD-1186 Digital Scale - $8
GD-1287 Touch Control Switch - $7
GD-3510 Security Lighting Control - $78
GDA-19-41 Miniature Digital Proportional Servo - $7
GDA-1158 Security System manual set consisting of:
- - GDA-1158-1, GDA-1158-2, GDA-1158-3, GDA-1158-4 and GDA-1158-6
GDSA-405-S 8-Channel Digital Proportional Radio Control Transmitter - $10
GR-61 FM Portable Radio - $10
GR-78 Gen Cov Rcvr - $15
GR-110 VHF Scanning Monitor - $8
GR-1008 AM Port Radio - $12
GW-21A Deluxe Hand-Held Transceiver - $7
HD-15 Phone Patch - $8
HD-20 Crystal Calibrator - $8
HD-1234 Coaxial Switch - $6
HD-1274 Outlet Box - $6
HD-1410 Electronic Keyer (copy) - $8
HD-1416 Code Oscillator - $6
HDS-1426 Relative Field Strength Meter - $6
- Listing #1746669 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 3
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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HD-1481 Remote Coax Switch - $10
HD-1982 Micoder - $7
HD-1984 MICODER II - $6
HD-1984 MICODER II, Schematic ONLY - $4
HFT-9 Antenna Tuner with Pictorial - $10
HM-10 Tunnel Dipper - $8
HM-11 Reflected Pwr Meter and SWR Bridge - $8
HM-15 Reflected Power Meter and SWR Bridge - $8
HM-102 RF Pwr Meter - $10
HM-102 RF Pwr Meter (Copy) - $9
HM-2102 VHF Wattmeter - $10
HM-2102 VHF Wattmeter (spec sheet w/schematic only) - $4
HN-31 Cantenna - $6
HN-31A CANTENNA - $6
HP-10 Transistorized Pwr Supply - $8
HP-13 Transistorized DC Pwr Supply - $10
HP-13A Transistorized DC Pwr Supply - $10
HP-20 Utility Pwr Supply - $8
HP-23 AC Pwr Supply - $10
HP-23 AC Pwr Supply (copy) - $9
HP-23B AC Pwr Supply (copy) - $9
HS-24 Mobile Speaker - $8
HTX-10/HTX-10-Z Personal Information Terminal - $8
- Listing #1746668 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 4
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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HW-30 “Twoer" - $15
HW-100 SSB Transceiver (Spec Sheet w/schematic) - $6
HW-101 large schematic only - $8
HW-202 2-Meter XCVR - $12
HWA-202-1 AC Power Supply - $7
HWA-2021-3 Auto Patch Encoder - $7
IB-101 Frequency Counter (Condensed Manual) - $8
IB-102 Frequency Scaler - $10IB-1100 Frequency Counter (specs w/schematic only) - $5
IB-1101 Frequency Counter (specs w/schematic only) - $5
IB-5281 RLC Bridge - $10
ID-29 Automotive Tune-Up Meter - $7
ID-15990/ID-1590E Wind Speed /Direction Indicator - $10
IG-28 Color Bar & Dot Generator - $8
IG-37 FM Stereo Generator (Condensed Manual) - $7
IG-72 Audio Generator - $8
IG-102 Sig Gen - $12
IG-4505 O-scope Calibrator - $10
IG-5240 Color Generator - $6
IG-5280 RF Oscillator - $10
IM-17 Utility Solid-State Voltmeter - $10 (3-hole punched)
- Listing #1746667 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 5
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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IM-25 Solid State VOM (copy) - $8
IM-104 Solid-State VOM - $8
IM-105 Volt-Ohm-Meter - $8
IM-1210 Digital Multimeter - $10
IM-2215 pictorial booklet w/schematic - $6
IM-2410 Frequency Counter (schematic only) - $4
IM-4100 Frequency Counter - $12
IMA-4180-1 Battery Charger/Eliminator Accessory - $8
IM-4190 Bi-Directional RF Wattmeter - $12
IO-18 Lab 5” O'scope - $8
IO-101 Vectorscope - $8
IO-1128 Vector Monitor - $7
IP-32 nRegulated Supply - $8
IP-2728 1-15 VDC Regulated Supply - $10
IT-17 Tube Checker - $15
IT-3127 Transistor-Diode Checker - $6
MI-18 Tachometer - $7
MM-1 Multimeter - $8
MP-14 High Pwr Inverter - $8
NE-1210 7-day Intelligent Home Comfort Control - $8
O-11 Lab Oscilloscope - $8
OL-1 Oscilloscope - $8
OM-1 Oscilloscope (spec sheet w/schematic only) - $4
- Listing #1746666 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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- BOOKMAG - F/S HEATH MANUALS - PART 6
- Original Manuals (unless noted) - - not the actual equipment.
Prices INCLUDE mailing in CONUS.
Buy 2 or more and take 10% off the individual total.
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PK-1- Universal Scope Probe - $4
PK-3 RF Probe - $5
PK-3A RF Probe - $5
PM-2 Mobile Tuning Meter - $6
RF-1 RF Signal Generator - $8
RX-1 Mohawk Receiver Spec Sheet - $5
S-3 Electronic Switch - $8
SA-2 High Fidelity 14 Watt Stereo Amplifier - $7
SA-2040 Antenna Tuner (copy) - $10
SB-10 SSB Adapter (schematic only) - $5
SB-313 Solid State SWL RCVR - $20
SB-313 Receiver (schematic only) - $5
SB-401 Transmitter (large schematic only) - $6
SB-600 SPKR - $10
SB-604 Accessory Speaker - $8
SB-630 Station Console - $20
SBA-104-1 Noise Blanker - $10
SG-8 Signal Generator (large schematic and pictorials1-4 only) - $7
SK-99 Accessory Cabinet - $4
SK-100 Educational Series - $10
SK-104 1-watt Audio Amplifier - $6
SK-104-H 1-watt Audio Amplifier - $6
SK-109 Sound Flasher w/Pictorial - $8
SS-1 Speaker System - $8
- Listing #1746665 - Submitted on 10/18/25 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net
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