Felix on Twitter: "The 2.4 GHz Helical Antenna is now matched S11 < -25dB and is awaiting the LNB for 10 GHz RX. #hamR #satellite https://t.co/aj9qy1T0rS" / Twitter
helical/helix antenna 2.4 GHz HOWTO
2.4GHz Helix antenna - Resource Detail - The DXZone.com