Abbreviations of American Magazines.
AT = Air Trails
AAM = American Aircraft Modeler
AM = American Modeler
FA = Flying Aces
FM = Flying Models
MAN = Model Airplane News
MB = Model Builder
RCM = RCModeler

Abbreviations of European Magazines.
AEM = AeroModeler
FMT = Flug Modell Technik
MA = Model Aircraft
ML = Modellismo
RM = Radio Modeller
RCMW = RC Model World

Miscellaneous useful abbreviations with links to information.
CL = Control Line
CG = Centre of Gravity
CO2 = Carbon Dioxide
EDF = Electric Ducted Fan
FF = Free Flight
IC = Internal Combustion
RC = Radio Control
RTP = Round the Pole