Originally Posted by
Dora-9
"E" field (named after Ed Field?) and "H" field antennae. All the B737-200's were wired for dual Omegas but normally only carried one, unless you were doing Air Vauatu or Polynesian flights. Supposedly you had one of each antennae with dual Omegas. I thought it was icing, rather than rain, that buggered the signal, George.
We're going back in time now. The 737-200 may have used the ADF Sense Antenna which was moulded into the aft wing to fuselage fairing as the VLF/Omega antenna. On the 727-200 it definitely used the ADF Sense Antenna which was a fairing aft of the MLG bay. Oil, dirt and crap from that bay caused no end of problems on the B727.