Ed, K7AAT wrote:
"I`m really not interested in other bands."

Phil Rand, W1DBM, wrote a QST article on "Antenns for Travel Trailers
and Campers" which was reprinted in the 1978 "Antenna Anthology".

Phil shared his experience and measurements on 3963 kHz using various
antennas on the Airstream Travel Trailer Net.

Phil found that the best temporary antenna was a high dipole. Next best
was a loop antenna in which the Airstream trailer was included in the
lower art of the loop.

Table 3 in the article gives 7 trailer antenna choices and their signal
strengths as compared with a home station dipole at 50 ft. high.

Best regards, Richard Harrison, KB5WZI