Es'hail-2 (or QO-100) for beginners | Radio Club PZK LAB-EL HF5L
PA1A
A Hybrid Helical Antenna For The Es'hail-2 Geosynchronous Repeater | Hackaday
feed DXpatrol QO100
Helix Antenne 4 Windungen QO 100
QO-100 satellite antenna LNB and Tx helical
DO8PAT – Adventure Radio
QO-100 Uplink-Antennen – Lutz Electronics, Schweiz
PA1A
Amsat 3-Helix Feed - Antenna - AMSAT-DL Forum
PA1A
QRP operation over the first geostationary amateur radio satellite
Antenna DJ7GP 2.4 & 10 Ghz dual duo band feed V2 for QO100
PA1A
Ham radio blog by OZ1BXM: Lower SWR on Helix13 from Wimo
Build a Helix Antenna | AMSAT-UK
feed DXpatrol QO100
Projekte
Es'hail-2 (or QO-100) for beginners | Radio Club PZK LAB-EL HF5L
Helix für QO-100 Uplink
Antenas - Helix - Javascript on-line calculator
