DFD2 Digital frequency readout kit for Collins S line, FT101, Heathkit SB301 and TS520
BOAT ANCHORS
Globe Scout 680 - Simple Audio Modification
Harbach Electronics Product Instruction Sheets
Swan MK6B Manual
T-368 Audio Modifications
COLLINS
Collins 30L-1 Manual
Collins 30S-1 Manual
Collins 32V-3 - Modified Speech Amp/Driver by WA1HLR
Collins 75S-1 CW Filter Installation .pdf file
Collins Amateur Service Agency Bulletins
Collins Parts Harbach electronics
Collins R-390A 32V AC Wiring Danger by Chuck, WA4HHG
Collins R-390A Audio Modifications by Chuck, WA4HHG
Collins Radio Equipment Manuals
Collins Service Bulletins and Service Information Letters
Souping Up the 75A-4 .pdf file
DRAKE
Drake Manuals and Schematics WB4HFN
Drake Parts Harbach electronics
Sherwood / Drake R-4C
E. F. JOHNSON
Johnson Ranger Modifications
Johnson Ranger - Simple Audio Modification
Johnson Viking I and II - Audio Conversion
Johnson Viking I and II - Audio Conversion by Ed, KS3K
HALLICRAFTERS
Hallicrafters BC-610
HAMMARLUND
Hammarlund SP-600 Audio Modifications by Chuck, WA4HHG
HEATHKIT
Heath Schematics at Bama
Heathkit "Cross Reference" Cross Ref List of Heathkit p/n's to Indusrty Std
Heathkit DX-60 Audio Mods by Bob, K4TAX
Heathkit DX-60 Audio Mods by Bill, WC3K
Heathkit DX-60 - Modified Speech Audio by KS3K
Heathkit DX-100 - Audio Modifications
Heathkit DX-100 - Low Cost Drive Pot Replacement by Norm, WB2SYQ
Heathkit DX-100 - Screen Modulation Optimization
Heathkit HA 10 Warrior Amplifier diagram
Heathkit Manuals
Heathkit Mod SBM-102-1
Heathkit Parts Available
Heathkit Product Matrix Service Bulletins, Equip list by p/n with photos etc
Modified HF kW Amplifers for 6m Conversions for SB200, 220, 230, 1000 & other brands
QSK for the TL-922 & SB-220 With Circuit Improvements for the TL-922
Replacement Parts
RIT Mods for the HW-101 PDF file
SB-101 Rebuild and Restoration Notes W2PA
SB-200 Amplifier Restoration and Modification
SB-200 Keying Modification Schematic
SB-200 Parts Harbach electronics
SB-200 Resources Restoration, upgrading, parts, etc
SB-200 Standby Mod by N4NRW
SB-220 - Adding 160 Metre Coverage
SB-220 Amplifier Circuit Improvements
SB-220 Parts Harbach electronics
SB-220 - Putting The Amplifier On 6M PDF file
SS-101 Wiring Diagrams Harbach electronics PDF file
The Heathkit Shop Nice collection of Heathkit Ham gear
Welcome to Heathkit
ICOM
IC-706 Extended RX Mod
IC-706 Extended TX Mod
IC-706 Extended TX (1.6-54MHz) + The Yellow Wire RX Mod
Mods.dk
Receiver Modifications for the IC-706 receive 300 Khz to 185 Mhz
IC-746 Mods
IC-775 Mods
Simple ICOM CAT Interface by OK2WY
KENWOOD
Mods.dk
TM-D700A Mods
TM-D700A Software
YAESU
FT-51-800 Mod
FT-100 Resource Page by WM7D
FT-101 - Audio Modifications by Bob, N1UJS
FT-101 HF Transceiver Home Page History, mods, specs, & more, by NW2M
FT-920 Resource Page by WM7D
FT1000MP Display Problem by VE3iVM
FT-1000MP Page Dedicated to the FT-1000MP enthusiatist, by VA3CR
Mods.dk
OTHER LINKS
RS232/TTL Interface Schematic To control a rig - by Jon, KE9NA
Tech Info for homebrewing, modifications, repairs, AM theory, and lots of schematics
|
