[A-DX] Concerning MLA30

Marc Coevoet
Mo Nov 18 00:03:06 CET 2019


I ordered the MLA 30.  It is in an airplane now...

Some considerations.

It is clear, and attractive to replace the standard loop on the MLA30 
with another, bigger loop.  It won't be possible to try all loops for 
some reason: the antenna amplifier expects some kind of inductiveness, 
and will not work well when it is too large (larger loop or more turns = 
larger inductiveness) or too small.

I own a Bose tuner, which is ok for AM, it asks 12µH, when I apply a too 
large loop, I get mirrors all over the AM band.  It is not difficult to 
hear Caroline over some 100khz wide ...

I make single loops in 16mm PVC pipe, my garden contains one of 
2x2meters!  It performs well on eg BBC Cambridgeshire 1026khz, 558khz of 
1584khz ... with *some* of my tuners ... Other loops are 1x1meter, 
1.5x1.5meters.


Thanks for your attention,
Marc
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