Re: [CQ-Contest] 12V 30A Switching Power supply recommendation?

[Jim Brown <k9yc@audiosystemsgroup.com>]

There's another way -- battery-operated RX that can tune operating 
frequencies. Several good ones listed in my applications note on chasing 
and killing noise.  k9yc.com/publish. htm  My favorite is Kenwood TH-F6A 
talkie that has wideband RX from below AM BC to about 550 MHz. Excellent 
probe for noise. Several others listed, including one that costs under 
$50 and tunes to 30 MHz
73, Jim K9YC

73, On 11/13/2024 5:11 PM, Keith Dutson wrote:
> Best to look at output of power supply with a spectrum analyzer, and 
> pick the supply with lowest broad-band noise.

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