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Re: [RFI] Noisy Uninterruptable Power Supply (UPS)

To: "rfi@contesting.com" <rfi@contesting.com>, Jim McDonald <jim@n7us.net>
Subject: Re: [RFI] Noisy Uninterruptable Power Supply (UPS)
From: Wes Stewart via RFI <rfi@contesting.com>
Reply-to: Wes Stewart <n7ws@yahoo.com>
Date: Wed, 14 Jun 2023 18:56:23 +0000 (UTC)
List-post: <mailto:rfi@contesting.com>
 I ordered two of them.  If they don't work out, it is Costco and they take 
them back no questions asked.
Wes  N7WS

    On Wednesday, June 14, 2023 at 07:41:19 AM MST, Jim McDonald <jim@n7us.net> 
wrote:  
 
 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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