Yup, I can relate to that too. For exactly the same reason, it is a highly compromised miniature antenna. I have the model 100 on my truck. But I keep a manual tuner and all band dipole with feed lines and a CCM in the RV... except most of the time the trees are too short to be of value. :-\

Rick nhc

On 11/30/2015 3:46 PM, Bill Frantz wrote:
I had the same experience with the Little Tarheel II on my 4Runner. I was running S&P on 80 meters and as I swept the band, every time I sent my call to a new station, I was also peaking up the antenna tuning.

There's a nice article in the latest QEX on automatically tuning these kinds of antennas. "Using an Arduino to Automatically Tune an MFJ-1788 Magnetic Loop Antenna and Elecraft KX3 Transceiver" Elwood Downey, WB0OEW (November-December, 2015).

73 Bill AE6JV

On 11/30/15 at 11:35 AM, [email protected] (Rick WA6NHC) wrote:

... is so narrow that typical S&P ops are rather challenging, you're never tuned for that new frequency. As one that changes bands often and quickly, it would severely hamper how I operate. Tuning requires patience and time on the lower bands, even a 20 KHz frequency change requires retuning.
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