http://www.oocities.org/pentapod2300/best/abbrev.htm
Here are some of the most common abbreviations used on the various 2300AD-related lists.
Note: unless stated otherwise, everything is a GDW ( now FFE) product.
The two second edition rulebooks are referred to as:
DG = 2300AD Director's Guide ( in the 2300AD boxed set)
AG = 2300AD Adventurer's Guide ( in the 2300AD boxed set)
The two first edition rulebooks are referred to as:
DM = Traveller:2300 Director's Manual
PM = Traveller:2300 Player's Manual
The other products:
ASB = Aurore Sourcebook
Ch#nn = Challenge magazine, where the "nn" is the issue number.
CSC = Classic SC, which is the same as SC. Typically
used in messages when SC and SC2 are discussed
in the same message.
ECS = Earth/Cyberpunk Sourcebook
E/CS = Earth/Cyberpunk Sourcebook
GG2 = Steven Alexander's Great Game 2 project.
GVG = Ground Vehicle Guide
KSB = Kafer Sourcebook
MA = Mission Arcturus
NAM = Naval Architects Manual, which came in their SC box.
NAM2 = My project adding onto NAM, plus automating it.
NyoSB = Nyotekundu Sourcebook
OpOver = 3W's Operation Overlord
SC = Star Cruiser
SC2 = My project adding onto SC, plus automating it.
SotFA = Ships of the French Arm
T2K = Twilight:2000 rpg, there were two editions:
v1.0 ( which 2300AD is based on), and v2.0 ( which had two
revisions, v2.1 and v2.2).
TD#nn = DGP's The Travellers' Digest magazine, where the "nn" is the issue number.
There are a few more abbreviations for other 2300 products, but they are used less often, or have multiple spellings.