is your driven element at ground potential or is it isolated? Is it
building up a static charge from wind or snow?
w9Ray
Dudley Hurry wrote:
Larry,
I don't know, unless it is in the AGC.. 6 Meters is funny like that
thou.. I have seen it (noise floor) drift up and down, one time I
thought my radio was broken.. :-) You might see if you see the same with
the Pre2 turned off, just a thogutht. I'll try to listen on 6 some..
73,
Dudley
WA5QPZ
FlexRadio Systems
(512) 250-8595
Email: [email protected]
Web: www.flex-radio.com
"Tune in excitement!" ™
On Sun, Jan 24, 2010 at 1:50 AM, Larry da Ponte <[email protected]>wrote:
I noticed this evening that while monitoring 6M during the late evening I
noticed that the RX noise would come up slowly and if I clicked the MOX
button the noise would drop right back down immediately. Is this normal?
I
haven't noticed this on any other band. Noise floor starts at -127dbm and
comes up to -115 - not a huge jump but very noticeable. Wonder why simply
hitting the MOX knocks the noise back down. Couple of minutes later it
happens again. Settings:
AGC-T: 70
AGC: Med
RX Gain: Pre2
Sample rate: 96kHz
Buffer size: 1024 (both firewre and PowerSDR set at 1024)
Operation Mode: Safe Level 1
F3K
Firmware 2.0.0.4
PowerSDR 1.19.3 SVN: 3444
FireWire 3.5.0.7171
OS: Win 7 32bit
PC: Laptop - Lenova Thinkpad T400
--
73's
N7BCP
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