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<DIV><FONT face=Arial size=2>Noticed something interesting today. When listening
on the 5 foot per side 160 meter shielded loop:</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>1. grounding the xmit ant (elevated inverted-L)
raises the rcv signal strength level by as much as 4 s units while REDUCING the
noise even further.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>2. ungrounding the xmit ant while still rcving on
the loop of course causes the signal strength to go back down 3 to 4 s units and
INCREASES the noise.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Soooooo is this not uncommon? Are any of you seeing
something similar with your various types of rcv antennas? Grounding the xmit
ant while receiving on the loop seems to be a real big deal. At least at this
QTH. Mutual coupling of some sort. I have several unused sets of contacts on the
master switching ceramic relay that I can incorporate into the switching
scheme to allow me to automatically ground the xmit ant if receiving on another
antenna. Interesting stuff this Top Band. Very interesting.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Comments welcome.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Lane</FONT></DIV>
<DIV><FONT face=Arial size=2>Ku7i</FONT></DIV></BODY></HTML>