For those who belong to Costco, I just got an email from them with a CyberPower
UPS with a true sine wave on sale for $150. I have one and have no complaints.
Jim N7US
-----Original Message-----
From: RFI <rfi-bounces+jim=n7us.net@contesting.com> On Behalf Of K9MA
Sent: Wednesday, June 14, 2023 09:11
To: rfi@contesting.com
Subject: Re: [RFI] Noisy Uninterruptable Power Supply (UPS)
I, too, have found my Cyberpower UPS to be RF quiet, even when it's running the
radio on the battery. It also generates a clean sine wave at a reasonable cost.
73,
Scott K9MA
On 6/12/2023 6:28 PM, Dan K2YWE wrote:
> I'll add to the Cyberpower crowd. I can't detect any noise from the
> one in my ham shack. Antennas are very close to the house. Noise lever
> is moderate suburban. RX FT5K and an MP 73, Dan
--
Scott K9MA
k9ma@sdellington.us
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