Old Ham Radio Equipment

Ameco CN-50, CN-144, CN-220 converters manual w/schematic
Ameco OB-2 converter manual w/schematic
Ameco PH, PV preamplifiers manual w/schematic
Ameco PS-1 power supply manual w/schematic
Ameco PT-1 preamplifier manual w/schematic
Ameco TX-62 transmitter manual w/schematic, schematic notes
Ameco VFO-621 VFO manual w/schematic
Barlow-Wadley XCR-30 schematic
B&W 5100-B transmitter manual w/schematic
B&W 600 grid-dip meter manual w/schematic
C.D.E. 44 antenna rotator manual
C.D.E. Ham-II antenna rotator manual
C.D.E. Ham-M antenna rotator manual
C.D.E. "Tailtwister" T2X antenna rotator manual
Central Electronics 10A SSB exciter/transmitter manual w/schematic
Central Electronics 20A SSB exciter/transmitter manual w/schematic
Central Electronics 100V SSB exciter/transmitter manual w/schematic
Central Electronics 200V SSB exciter/transmitter manual w/schematic
Central Electronics - mods to BC-457, BC-458, BC-459 as VFO
Central Electronics MM-2 multiphase RF analyzer manual w/schematic
Central Electronics Sideband Slicer manual w/schematic
Collins R-388/URR (51J3) change orders
note: for many Collins manuals, see: http://www.collinsradio.org/html/manuals.html
Conar 3r novice transmitter manual w/schematic
Conar 500 novice receiver manual w/schematic
Drake 2-B Communications receiver manual w/schematic
Drake 2-C Communications receiver manual w/schematic
Drake 2-bq Q-multiplier for 2-B manual w/schematic
Drake 2-NT CW transmitter manual w/schematic
Drake R-4 amateur receiver manual w/schematic
Drake R-4B amateur receiver manual w/schematic
Drake R-4C amateur receiver manual w/schematic
Eddystone EC-659 receiver schematic
Eddystone EC-670 marine receiver schematic
EICO 717 electronic keyer manual w/schematic
EICO 720 transmitter schematic
EICO 723 transmitter schematic
EICO 730 modulator schematic
Geloso G. 207-AR receiver schematic
Geloso G. 207-CR receiver schematic
Geloso G. 210-AR transmitter schematic
Geloso G4/214. G4/218 receivers and G222-TR transmitter manuals with schematic (14Mbyte pdf)
Gonset Communicator III transceiver manual w/schematics
Hallicrafters 5R10 receiver data w/schematic
Hallicrafters 5T "Sky Buddy" receiver schematic
Hallicrafters CA-2 "Sky Phone" mobile transceiver manual w/schematic
Hallicrafters CN-1 New Band to Old Band FM converter manual w/schematic
Hallicrafters DD-1 Dual Diversity comm. receiver manuals, schematics, articles
Hallicrafters RE-1 "Sky Courier" portable receiver data w/schematic
Hallicrafters S-20R receiver schematic, information
Hallicrafters S-27 UHF receiver schematic
Hallicrafters S-9, SX-9 receiver data w/schematic
Hallicrafters S-120 receiver schematic
Hallicrafters SX-16 "Super Sky Rider" receiver data w/schematic
Hallicrafters S-17, SX-17 "Super Sky Rider" receiver data w/schematic
Hallicrafters S-18 "Sky Challenger II", SX-18 receiver data w/schematic
Hallicrafters S-38 "Sky Buddy" receiver data w/schematic
Hallicrafters S-38A, S-38B "Sky Buddy" receiver data w/schematic
Hallicrafters S-38C "Sky Buddy" receiver data w/schematic
Hallicrafters SX-23 receiver data w/schematic
Hallicrafters SX-24 "Sky Rider Defiant" receiver data w/schematic
Hallicrafters SX-25 "Sky Rider Defiant" receiver data w/schematic
Hallicrafters SX-28 "Super Sky Rider" receiver manual w/schematic
Hallicrafters SX-28A "Super Sky Rider" receiver schematic
Hallicrafters SX-32 "Sky Rider" receiver data w/schematic
Hallicrafters SX-42 receiver user manual, service manual, schematic
Hallicrafters SX-43 receiver user manual, service manual, schematic
Hallicrafters SX-62 receiver operating & service manual, schematic
Hallicrafters SX-62A receiver partial operating & service manual, schematic
Hallicrafters SX-71 receiver user manual, service manual, schematic
Hallicrafters SX-88 receiver operating & service manual, schematic
Hallicrafters SX-96 receiver operating & service manual, schematic
Hallicrafters SX-122 receiver information page and schematic
Hammarlund HQ-129x receiver manual w/schematic
Hammarlund HQ-129x receiver schematic
Hammarlund HQ-140-X receiver information page and schematic
Hammarlund HQ-145 receiver information page and schematic
Hammarlund SP-200 receiver, manual, commercial manual (12.6Mbyte pdf)
Hammarlund SP-400-X receiver user manual w/schematic (30.7Mbyte pdf)
Hammarlund SP-600 receiver description, full manuals
href="http://www.nostalgiaair.org/Resources/035/M0009035.htm">manual w/schematic
Heathkit CA-1 CONELRAD alarm schematic
Heathkit DX-100 transmitter schematic
Heathkit HM-11 SWR meter schematic
Heathkit HP-20 utility power supply schematic
Heathkit MR-1 "Comanche" receiver schematic
Heathkit QF-1 Q-Multiplier schematic
Heathkit SB-10 SSB converter schematic
Heathkit SB-200 Linear amplifier schematic page 1, page 2
Heathkit SB-620 Scanalyzer schematic
Heathkit SB-630 Station Console schematic
Heathkit SB-640 External LMO schematic
Heathkit XC-2 2-meter converter schematic
Johnson Valiant transmitter manual w/schematic
Johnson Viking II transmitter manual w/schematic
Johnson Viking 500 transmitter manual w/schematic
Johnson Viking Matchbox antenna coupler manual w/schematic
Johnson Viking Ranger manual w/schematic
Johnson Viking Ranger II manual w/schematic
JRC NRD-525 information page
Knight-Kit Ocean Hopper 740 receiver schematic
Knight-Kit Space Spanner receiver schematic
Knight-Kit Star Roamer receiver schematic
Knight-Kit T-150 transmitter schematic
Knight-Kit V-44 VFO schematic
Lafayette HE-30 comm. receiver - see Trio 9R-59
Meissner FMX NBFM modulator manual w/schematic
Meissner 1941 "Signal Shifter" (9-1057 to 9-1060) manual w/schematic
Meissner "Signal Shifter" model EX manual w/schematic
note: for Millen test equipment, see the Test Equipment page.
Millen 90281 High Voltage Power Supply schematic
Millen 90671 SWR Bridge schematic
Millen 90672 Antenna bridge schematic
Millen 90700 "Variarm E.C.O." VFO information, schematic
Millen 90711 VFO schematic
Millen 90800 50W transmitter schematic (poor quality scan)
Millen 90801 Exciter/Transmitter schematic
Millen 90811 "High Frequency Unit" (829B amplifier) schematic
Millen 90831 Modulator schematic
Millen 90881 Power Amplifer schematic
Millen 92101 Matching Preamplifier schematic
Millen 92201 Transmatch Jr. manual w/schematic
Morrow MB-6 amateur receiver manual w/schematic
Morrow 5BR HF mobile converters manual w/schematic
National HRO manual w/schematic, articles
National HRO-5A1 receiver manual w/schematic
National NC-183 ham receiver manual w/schematic
National NC-300 ham receiver manual w/schematic
National NC-300 converters manual w/schematic
National NC-303 ham receiver manual w/schematic
National NC-400 ham receiver manual w/schematic
Northern Radio 102 Keyer manual and schematic
Northern Radio 104 Demodulator manual and schematic
Northern Radio 254 Models 1 and 2 Current and Level Meter manual and schematic
MFJ 1020B active SWL antenna schematic
Realistic (Radio Shack) DX-160 comm. receiver manual
Racal RA-117 comm. receiver manual w/schematic
Racal RA-117 comm. receiver manual and schematic
Racal RA-329 comm.receiver (part of RA-217) description w/schematic
RCA ACT-40 Transmitter manual w/schematic (86Mbyte pdf)
RCA AR-8505 (Navy RCG) General Coverage Marine receiver manual w/schematic
RME-69 receiver alignment data, schematic, (see www.nostalgiaair.org for more info)
RME-84 comm. receiver manual w/schematic
RME-99 receiver data w/schematic, data on late model
RME DB-22A preselector manual w/schematic
RME/Electro-Voice DB-23 preselector manual w/schematic
Stancor 20-P transmitter manual w/schematic
Stancor 40-P transmitter schematic
Stancor 60-P transmitter schematic
Stancor ST-203-A mobile transmitter schematic
Swan 240 SSB transceiver manual w/schematic
Ten-Tec RX-320 receiver information page
Trio (Kenwood) 9R-59DS comm.receiver schematic, manual w/schematic
Waters 340A Q-multiplier & notch filter for KWM-2 manual w/schematic
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Recommended Archive Sites:

Geloso - Detailed hisotry of this prolific Italian radio company
Hammarlund Radio Manuals - lots of them, well-scanned.
The Boat Anchor Manual Archive (BAMA) - tons of ham schematics - now with high bandwidth downloads!
Nostalgic Kit Central - Information on classic ham and test equipment kits - mostly Heathkit and Knight-Kit.
Boatanchor Pix - lots of complete manuals for ham radio equipment.
CCA Collins Technical Archives - The Collins Collector Association technical manual site.
Virtual Collins Radio Museum - detailed descriptions of Collins ham equipment plus lot of links.
VK3KCM Collins Site - Lots of Collins ham equipment info.
The R-390A/URR Site - collected information on the R-390A receiver
Nostalgia Air - lots of schematics for early radios, but some ham equipment is included.
Swan Manuals - manuals for most Swan equipment
Equipment Manual Directory - a vast collection of manuals for ham equipment (but often unavailable due to limited FTP access).
6mt.com - VHF/UHF ham info, including manuals for 6 meter ham equipment