Ed wrote:
"Wouldn`t you think that losses might be less on a large vehicle like an
RV or Truck,---."

I earlier rederred to an article by W1DBM in QST and an ARRL Antenna
Anthology from the 1970`s. The title was: "Antennas for Trailers and
Campers".

Everything old is new again. Please see the article: "Compact 40 Meter
Loop for Your Recreational Vehicle" by W6NBC on page 41 of the March
2007 QST.

Best regards, Richard Harrison, KB5WZI