Hue is correct.
The "loop" is not a loop at all.  It is "capacitive top-loading"
for an electrically-short vertical element.  This is a field I know
a good deal about.  It will surprise some
just how well one can communicate with even this tiny bit
of radiation resistance, especially over ground-wave distances.
I wonder how many tank drivers got RF burns on the tops
of their heads, LOL.
73 Dave AB5S

On 9/20/2021 8:11 AM, CL in NC via Milsurplus wrote:
> In reference to the post about military DX during WW II, the July 1968 QST has  an article about a mobile horizontal loop made out of gutter down  spot called the 'MABAL'.  Just several years ago the same author wrote another article called the 'MABAV'.  They were both broad band tuneable horizontal loops mounted above the roof of his car.  Perhaps an offshoot of what the Germans had.
>
> Charlie, W4MEC in NC
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