Here is how to choose the best DX and NVIS Alpha Antenna system for base, portable, or mobile HF deployments.
ON7EQ EFHW Antenna
HF radio becomes low-cost alternative to satellite
Testing the new Chameleon Tactical Delta Loop (CHA TDL) antenna
The Shortwave Antenna - How It Works - Which Ones Work Best
Top Amateur Radio Websites - Issue 1815
Ham Radio Site -
The Inverted L Antenna and NVIS – brushbeater
Inverted V Antenna - A popular Dipole variant
Field Expedient Antenna Systems
Best HF Antenna for my location? : r/amateurradio