Modern Rigs
AM for the FT-102, Even If You Don't Have an FM/AM Board! - Steve - WB3HUZ
Diode Ring modulation for Drake T4X's & Swans - W8EJO
ICOM 756 (non-Pro model) on AM - wb4iuy
KE1GF Icom 706MkIIG Mobile TX audio and RX Selectivity Mods - KE1GF
TS-440 Am xmit mods - simplified - KA2QFX
Kenwood TS-940S Audio Modifications - Steve - WB3HUZ
FT-102 Overshoot Fix - by Mal, NC4L - Steve - WB3HUZ
Icom IC 718 schematic FOUND! - WD8BIL
AM Mods for the Kenwood TS-440 - Steve - WB3HUZ