[TowerTalk] Weird RFI at remote location

[Lux, Jim]

On 1/1/21 7:03 PM, Jim Brown wrote:
> On 1/1/2021 6:07 PM, Lux, Jim wrote:
>> You might get one of those $50 spectrum analyzers - seeing the RFI 
>> spectrum may give you some clues  - a loop antenna (untuned) will 
>> have distinct nulls. It's more "field compatible" than going around 
>> with your rig's panadapter.
>
> While I don't know the hardware Jim is suggesting, a spectrum analyzer 
> that can provide both amplitude and waterfall is EXTREMELY useful in 
> diagnosing RF noise. See my website and also NK7Z's. 

https://www.tinysa.org/wiki/ is a typical example..


There are also $50 VNAs

https://nanovna.com/

is but one.