Sirio Gain-Master 5/8 Fiberglass 25.5-30Mhz 10M-HAM Base Antenna [gainmaster] - $179.95 : Sirio Antenna, High Performance Antenna Made in Italy
Dimensions for building a Homebrew Sirio Gain Master using RG58. 2.5mm2 insulated stranded copper wire and Westflex 103 for the matching… | Termocamera, Antenne
Exclusive “Gain-Master” Goes 1/2 Wave (Part1) Updated With First Look.. – Simonthewizard
SIRIO Gain Master HW 1/2 BASE STATION ANTENNA - YouTube