Carl Moreschi wrote:
> Same test with Orion at 28.6 mhz and preamp off. Large difference in
> background noise with antenna connected verses not connected. The Orion has
> more than enough overall gain. And by the way, I am at a very quiet
> location out in the country here. I am using my 8 element log periodic at
> 22 meters for the antenna for this test.
Your tests prove that Orion has low enough internal noise
to be used without preamp in most situations, unlike K2.
Leaving preamp off of course ensures best possible
dynamic range, which may be significantly degraded
by a preamp, particularly by a high gain one.
Thanks and 73,
Sinisa YT1NT, VA3TTN
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