L-Band Antenna Assembly Instructions

Follow these instructions for a full L-band antenna build up which is ready to be mounted to a 1-1/4inch (42.4mm) mast like in the picture below. Other mounting options are possible and may require less parts depending on your personal setups. This is just one mounting example that we are supporting.

You can experience the L-Band antenna live using our WebSDR


This table lists all parts required for a full build up. All parts are available from nolle.engineering and 3rd party vendors.

RHCP L-Band Antenna BundleBundle consisting of 7 or 10 turn L-Band helix antenna + all mechanical parts required for full build upL-Band Antenna RHCP Bundle
Saw filterLNA module for capturing L-band signals, especially Inmarsat AERO and STD-Cahttps://amzn.to/3TolsiQ
SDRSoftware Defined Radio / USB donglehttps://amzn.to/3TF7udS
SMA male-male adapter2 requiredhttps://amzn.to/4cgy3gF
USB extension cable3m extension to wire SDR with PC / Raspberryhttps://amzn.to/43kByPe
Full assembly parts list


  • Phillips head screw driver
  • 8mm spanner / SMA torque wrench (1Nm)