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3/4 lambda (Sirio Vector 4000) vs 7/8 lambda (Tagra BT-104) coaxial j-pole antenna size comparison - YouTube
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CB - Commerciali: Sirio Vector 4000 Sigma IV Mod. AV-174 CTE Saliut Mod. LW 150 - Benvenuti su OfficinaHF!
Titan Electronics PR - NUEVA SIRIO VECTOR 4000-MEJORADA Antena base CB-10M tuneable, MADE IN ITALY. Parecida a la AVANTI SIGMA 4. Nueva, mejorada...hasta 3000W power rating. Tipo 3/4W Co-Axial J-Pole. Mide hasta
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Sirio New Vector 4000 (27-28.5 mhz)Tunable 10M-HAM Base Antenna [vector4000] - $150.00 : Sirio Antenna, High Performance Antenna Made in Italy
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