Technical data, operating and service manuals provided by myself and other hams covering various technical subjects, Amateur Radio receivers, transmitters, transceivers and accessories.
Ameritron
Astatic D104
- Astatic Silver Eagle D104 Microphone Manual
- D104 M6 Hand Microphone Manual
- Improving The D104 N9WB Rev2
- TUG8 D104 Microphone
Allied
ARRL
AEA & Timewave PK-232
- AEA PK-232 operating manual
- AEA PK-232 Technical reference manual
- Timewave PK232mbx-operating-manual
- Timewave PK-232SC Upgrade Hardware Install
- PK232mbx-eprom-installation-instructions
- PK232-a06135-low-power-kit
Boonton
Capacitor Data
Drake
- AC3 Early Manual
- AC3 Manual
- AC4 Manual
- 2B Manual
- 2NT Manual
- R4A Manual
- R4B Manual
- R4C Manual
- R-4245 Receiver
- T4XB Manual
- T4XC Manual
- TR3 Manual
- TR4 Transceiver Manual
Eico
- Eico 145A Signal Tracer
- Eico 378 Audio Signal Generator Partial Manual
- Eico 232 VTVM assembly manual
- Eico 232 VTVM user manual
- EICO 720 Construction
Frequency Meter
Galaxy
Harbach/Peter Dahl
Heathkit
- Apache TX1 Assembly Manual
- AR2 partial manual
- AR3 partial manual
- BR1 schematic
- BR-2 assembly manual
- BR-2-Important Notice
- Antenna change over relay
- DX60-HV-FUNCTION-switch-modification
- GD-1B Grid Dip Meter
- IG-102 manual
- IG-102_Schematic
- IM-104 Assembly Manual
- Heathkit Service and Restoration Manual
- Heathkit Voltage & Resistance Measurements
- HD-10 Keyer
- HD1410 Keyer Assembly Manual
- HD-15
- HG-10B VFO Manual
- MARAUDER HX-10 MANUAL
- IB-5281 RLC bridge
- IM-10 Assembly Manual
- IM-10 Schematic
- Heathkit_IM-11
- IM17 Volt Meter Manual
- IM18 full Manual
- IM18 One Page Schematic
- IM-21 AC VTVM assembly manual
- IM-21 AC VTVM Schematic
- IM-32 VTVM Schematic
- IM5225 FET Multi-meter Full Manual
- IP17 Manual
- IP17 Partial Assembly manual
- SP-2717A Partial Manual
- HG-10 Manual
- HO-5404 Manual
- HO-5404 Schematic
- HM-102 SWR WATT meter
- HOA-5404 illustrated parts
- HOA-5404 Pan Adapter Module man
- V7A Manual
- HD-1410
- Heathkit HP-13A
- HP20 Schematic only
- HP-20 Power Supply
- HN-31 Cantenna dummy load
- HP23
- HP-23A
- HP-23B
- HP-23C
- HP-23C Schematic
- HR10 Front panel dark green area and control measurements
- HR10B
- HR-20 abbreviated manual
- HR20 73 Magazine write up
- HW-12 manual
- HW-22A Assembly Manual
- HW-32A Full Manual
- HW-32A High Res Schematic
- HW-16 manual
- HX1681 service bulletins
- HR1680 service bulletins
- IP-27 Manual
- PS3
- PS23
- Heathkit QF-1 Q-Multiplier
- Heathkit Power Transformer Specifications
- 6GW8 replaced with 14GW8
- HW101 Wiring Harness Mapping
- HW101 complete assembly manual
- HW-101_schematic_hi-res
- HW101 LMO Drift and Jittery tuning improvements
- HW100 and SB100 Receive Signal Processing
- HW100 and SB100 Transmit Signal Processing
- HW101 Service bulletins
- HW-2036 VCO Modification
- DX20
- DX100 schematic
- DX100 Assembly Manual
- Heath Masterpartslist Volume 1
- 309c RF probe
- PK3 RF probe
- Cheyenne_mt-1_mobile_transmitter_early_sm
- sb10 Assembly Manual
- SB101 complete assembly manual
- SB-102 Schematic
- SB-102 Full Assembly Manual
- SB102 Alignment and Schematic
- SB-220_serv_user
- SB-300 Manual
- SB-301 Manual
- SB303 and SB401 Transceive adjustments
- SB303 simple alignment
- SB-303 SSB receiver schematic
- SB401 Abbreviated Manual
- Heathkit T3
- VF1 VFO Manual
- V-4 assembly and user manual
- Kenwood TS-520 NB Unit board in a Heathkit SB-303 receiver
- HW-16 assembly manual
- DX40 multi-action antenna change over relay
- DX40 Assembly Manual
- DX-40 transmitter abbreviated Manual
- DX40U schematic Only
- DX60 complete assembly manual
- DX60B Assembly Manual
- Heathkit DX-60B Verified Wiring Harness
- HW-2036A Manual
- HW-2036A Instruction Booklet
- Mohawk-CHRS-2015-Article-Complete-Schematic-CHRS
- CHRS-Journal-2015-Volume-34-No-2-T-Bonomo-Draft-v2
- HW-32 Full Manual HA (Foldouts Horizontal)
- HW-32 Full Manual VA-1 (Foldouts Vertical)
- HW-32 Hi Res Large Schematic
- HW-32A schematics-no manual
- VP-1-6 HEATHKIT VIBRATOR POWER SUPPLY
- VP-1-6 HEATHKIT VIBRATOR POWER SUPPLY SCHEMATIC
Hallicrafters
- HT-32A Operator and Service Manual
- S19R HF Receiver Technical Manual
- S19R schematic ONLY
- S20R Service Manual
- S20R User Manual
- S20-R SCHEMATIC-123
- S40 Instruction Manual
- S40 Service Bulletin number 1
- S40A HF-VHF Receiver_Service Manual
- S40A Installation and Operating Instructions
- S40B Abbreviated Instruction Manual
- S40B and S40BU Instruction Manual
- Sams SX-43
- S53A Manual
- S53A-align
- SX71 User Manual
- SX71 Run 3 Service Bulletin
- SX-71_Run4
- SX71 Service Bulletin 1950-109
- S85 manual
- S-94 Mark 1A Manual
- S-94 Mark II Manual
- SX110 manual
- S-120 Service manual
- Hallicrafters S120 Full Schematic
- Hallicrafter S120A
- S-107 User Manual
- S-107 MK II Service Manual
- S107 dial_cords
- S-108 User Manual
Hammarlund
E.F. Johnson
Knight
Kenwood
- 9R59DS User Manual
- 9R59DE Service manual
- DG5 operators manual
- DG5 Service Manual
- DK-520-Install-Instructions
- MC-50 Microphone
- PS50 Manual
- TS-520S High Res Schematic
- R-599D Schematic
- R599S Service Manual
- T599S Service Manual
- R599 Operator Manual
- R599D Operator Manual
- JR599 User Manual
- SM220 Instruction Manual
- SM220 Service Manual
- TS-700sp-service-manual
- TS700sp Operators Manual
- TR7400A Service Manual
- TR7400A Users Manual
- T-599D Instruction Manual
- T599S Service Manual
- TS120 User Manual
- TS120S Service Manual
- TS130 Operator manual
- TS130 Service manual
- TS-140 operator manual
- TS450S TS690 Instruction manual
- TS520 service manual
- TS520 operators manual
- TS520 MH4P Relay
- TS520S High Resolution Schematic
- TS520S Operators Manual
- TS520S service manual
- TS520SE Instruction-Manual
- TS520SE High Resolution Schematic
- TS520SE Reduced Service manual
- Measuring 520 CAR and GENERATOR board signals
- TS180S Service Manual
- TS530SP operators manual
- TS530S Service manual
- TS530S User Manual
- TS-820 AVR UNIT HI-RES
- TS820 Hi-res schematic
- TS820S Operators Manual
- TS820s service manual
- TS820 Fix VOX unit hi res schematic
- TS830 operators manual
- TS180s User manual
- TS830M operators manual
- TS830 operators manual
- TS830 Service manual
- TS830S excellent schematic
- TS900 User Manual
- VFO120 User Manual
- VFO230 Instruction Manual
- VFO240 Operators Manual
- VFO520 operator manual
- VFO820 operating_manual
- Simple ALC QRP circuit
- TS-520S-QRP Circuit
- Broken final amplifier coupler replacement
- Final Amplifier Cathode resistor and meter test
Lafayette
- Trio 9R-59 Operating Manual
- Trio 9R-4J manual
- HA-230 Operating Manual
- HE-30 Operating Manual
- KT-200 Manual
- KT-320 Assembly Manual
- KT-340 Assembly Manual
- 73-magazine-06-june-1961
Molex
Marine Radio Manuals
- SEA-222 Operators Manual
- SEA-222 Service Manual
- SEA-222 Manual
- SEA-1612C Tuner
- SEA-1612C/W/WX Service Manual
- SEA-235 Information Document\
- SEA-235 User Manual
MINICON Connectors
Neon Bulb
Opto Electronics
Relay Data Sheet
Radio Shack
Simpson
- Simpson 260 Series 6 and 6M Volt-Ohm-Milliampmeter
- Simpson 260-afp-1 user manual-1969
- Simpson Model 260 Volt Ohm Milliammeter
- Simpson 260
Swan
- Swan 350 operator and maintenance manual
- Swan 400 operator manual
- Swan 400 March 1966 CQ review
- Swan 400 VX1 Schematic
Yaesu
- FT757GX Operator manual
- FT757GX service manual
- FT757GXII User Manual
- FT857 User Manual
- FT-857D User Manual
- FT-891 User Manual
- FT-900 User Manual
Capacitor Data
- Aluminum Electrolytic Capacitor Application Guide
- Power Supplies filter capacitor
- Input Output Capacitor Selection
- Radial Lead Dipped Mica Capacitor Application Guide
- High Voltage Mica Application Guide
- VISHAY High Voltage DC Filter Capacitors
- VISHAY Ceramic RF Power and HV Capacitors
- VISHAY Film Capacitors
- Vishay Electrolytic capacitors
- VISHAY Leaded Solid Electrolyte Tantalex Caps
Diode data sheets
Microphone Wiring
- D104M6 Hand Microphone
- D104M6B D104M6C Operator Manual
- Improving the D104 N9WB rev2
- D104 T-UG8 user guide
- Shure 444D_guide_en-US
- Shure 414A-B_guide_en-US
Oscillator Documents
Tinnerman Speed Nut
Simple QRP circuits
Surplus Conversion
- Surplus radio conversion manual vol 1
- Surplus radio conversion manual vol 2
- Surplus radio conversion manual vol 3
- The Command Set Roundup
- Guide to ARC
- SCR-211
- BC-603 Schematic
- BC-603 Manual
- TM 11-850-N
- SCR-245 Sets
- TM 1150-N
- BC312_BC342_Technical_Manual
- RA-20 AC Power Unit
- TM_11-487E Power Units
- TM 11-850-N
Transistor Information Data
- Semiconductor data
- 1962_D.A.T.A.’s Transistor Characteristics
- TIP31 NPN transistor
- LM7800 Family Regulators
- LM7812 Positive regulator
- LM317T Regulator
Vacuum tube manuals & data sheet pdf files
- RCA Small receiving tubes 1975
- RCA Transmitting tubes 1962
- 5R4GY Tube Data
- 6AC10
- 6AV11
- Svetlana 572B
- Eimac care and feeding of power grid tubes
- Additional information on 572B
- 6146A GE
- 6146B RCA
- 6293 pulse rated 6146A
- 811A
- getter_material
- tube_getter_operation
- 8 Pin Octal Socket Pin Orientation
FCC Part 97 Rules and Regulations
Basic Electronics and Radio Handbooks