EI7GL....A diary of amateur radio activity: SIGMA antennas for 43 MHz
Mini Stinger : CB SIGMA 27-28Mhz 90cm 1/4 wave mobile antenna
SIGMA Universal 2 - Balcony antenna
CB Antenna CB Radio Fire Stick Type Aerial Sigma Power Stick 3 Foot Black - Buy CB Antenna CB Radio Fire Stick Type Aerial Sigma Power Stick 3 Foot Black Product on Alibaba.com
Sigma Venom 5/8 Wave High Gain Silver Rod CB Base Station Antenna : Electronics - Amazon.com