[RFI] RFI Measurements

[K9MA]

No, they are not "meaningless". They are a relative measure of noise 
levels in various locations, which was my purpose in making them. I 
would gain absolutely nothing more from measuring absolute field strength.

73,
Scott K9MA



On 1/23/2021 4:45 PM, Jim Brown wrote:
> On 1/19/2021 1:28 PM, K9MA wrote:
>> This explains why W0FLS and VE6WZ are always working DX I can't hear. 
>> On the other hand, it could be a lot worse.
>
> There's another BIG reason -- look at VE6WZ's RX antenna farm. Then 
> look at NO3M's. I don't know what Dave has, but I'll bet it's serious 
> too.
>
> > Note that these measurements are relative only. At the time of the
> > measurements, The noise from my tribander at 70 feet was about -124
> > dBm/Hz on 20 meters. On 80, it was about -107 dB/Hz on the shunt fed
> > tower, but I'm not sure that means much, as I never use it for 
> receiving.
>
> Your numbers are meaningless, because you're measuring signal level, 
> not field strength, which must be done with antennas calibrated for 
> the purpose.
>
> 73, Jim K9YC
>
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-- 
Scott  K9MA

k9ma at sdellington.us