1. Sheepdog777

    IF: Low Frequency (LF) RF Travels Through the Earth/Water AND: Heat = Infrared (IR) (300 GHz - 400 THz) The Same... THEN: Why Not HF/MF/VHF/UHF/SHF ?

    Hello Hams and Radio Enthusiasts, So, upon my ongoing research regarding Underground Buried Earth Antennas (UNDERGROUND BURIED EARTH ANTENNAS &, I have received many conflicting responses. But, as with so many...
  2. M

    SHF Antenna Failure

    If anyone if familiar with the following, please respond as I can't find an answer to this anywhere.. In our current Communication setup, we have established a TSSR link with trans/recieve frequencies at about 15 GHz. Directly behind (I mean 10 feet or so) is another SHF antenna (WPPL) that is...