HELIX-70 Antenne Helix 432 MHz, 7 turns

Les antennes hélice sont des antennes directionnelles pour polarisation circulaire, principalement conçues pour le traffic satellite mais utilisables tout aussi bien pour des opérations terrestres. Pour des considérations physiques la polarisation circula

Design of wide‐beam triple‐fed helical antennas employing simple and efficient feed networks for bandwidth improvement - Fartookzadeh - 2018 - Microwave and Optical Technology Letters - Wiley Online Library

QRP operation over the first geostationary amateur radio satellite

430-440 MHz CROSS 15 +15 elements 16.7dBi Antenna 70cmCROSS30W (AA)

2100-2400-10, 2100-2400 MHz (10) Turn Helix Antenna - M2 Antenna Systems, Inc

Aomway 11dbi 7 Turn 5.8GHz Helical Antenna (RHCP) (SMA) - Aerofly Hobbies - MultiCopters - AeroModels - FPV - UAV

QO-100 satellite station

70 cm Helix Antenna - The

PDF) Side-fed bifilar helix antenna

PDF) Design and implementation of quadrifilar helix antenna for satellite communication

1296 mhz yagi antenna 3D Models to Print - yeggi