From Steve:
--------------------------
Greetings,
In my quest to find a low profile antenna, I've looked at a lot of
possibilities. I was curious if anyone has and experience with the MFJ
1786 loop antenna.
...
Thanks and 73,
Steve KS6PD
----------------------
Keep in mind that reports of dx contacts on low power are useless for
comparing one antenna with another. Some Old-timers may remember working
stations with a low-cost dummy load (a lightbulb) years ago.
I built a loop antenna out of copper pipe some years ago, and it worked
fine.
I suggest that a dipole cut for 1/2 wavelength at the desired operating
frequency is likely to work better. Small antennas have higher loss.
My mobile antenna is small, too, and is probably only about 10%
efficient on 40 meters, but I have no trouble working lots of folks even
though the 200 watts I put in to the antenna results in radiating only
perhaps 20 watts.
So, if you have the room, put up a larger antenna. If you want portable,
consider a Buddipole. If circumstances dictate that the MFJ or Alexloop
is the best thing to use regardless of low efficiency, go for it!
cheers,
Glen, KG0T
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