On 1/18/2022 10:30 AM, David Harmon wrote:
even though I have a TS-890 I have not tried the preamp with the DXE amp
shutoff.
Why not? It's a button push.
Wes N7WS
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
I use a 6ft diameter 4-turn loop as my 160m DX Receive antenna . . .
If it's only used on receive, you can easily make a tiny transformer between
the Loop and the coax . . . so Common Mode pickup wouldn't be a problem.
I have a pre-amp in the shack on the Loop . . . that's set so that local
sig
My loop has an amp located at the loop but the sig at the radio was waaay
down.I added a DXE broadband amp at the operating desk to get the sigs back to
parity with my vertical.An internal preamp in a modern radio might do the trick
but even though I have a TS-890 I have not tried the preamp wi
Haven't seen much in the way of public replies to this, so hope that
you've got some private ones.
For a small mag loop, I'd use the preamp at the loop, especially if
your feed line is coax.
73
Nick
VE7DXR
At 15:09 2022-01-16, Chris Maness wrote:
Do preamps need to be close to electric
Hi,
I don't use a preamp with my mag-loops. Why do you?
73,
Bill KU8H
bark less - wag more
On 1/16/22 10:09 AM, Chris Maness wrote:
Do preamps need to be close to electrically small mag loops to maximize SNR
from common mode RFI? I would imagine in theory yes, but in application I
have no e
Do preamps need to be close to electrically small mag loops to maximize SNR
from common mode RFI? I would imagine in theory yes, but in application I
have no experience to draw from.
Thanks,
Chris KQ6UP
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
