Just a weekend break from HF to refurbish my satcom antenna and add a good lna. A bias tee couple (eheheh personal design) was add to remotely power the lna: one used like a power injector on receiver side and another one as power extractor on lna side under antenna.
Satcom helix antenna:
Lna with bias tee ready to be cabled:
The bias tee:
The second bias tee:
