Ham Radio Amplifier DIY599 PA500 OH8STN

Опубликовано: 20 Июнь 2026
на канале: Off-Grid Ham Radio OH8STN
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Hello Operators.
In this episode of OH8STN Ham Radio, we are having a looking at the portable ham radio amplifier from DIY599.com the PA500. The PA500 is a 60 watt portable ham radio linear amplifier compatible with most QRP radios available today. The power amplifier has a built-in antenna tuner, auto band switching, auto band selection, and built-in low-pass filters. This ham radio review will make the case for a combining a QRP radio and amplifier, versus a QRO based portable ham radio station for the field.

73
Julian oh8stn
Video URL:    • Ham Radio Amplifier DIY599 PA500 OH8STN  

DIY599 Playlist
   • DIY599 PA500 Portable Amplifier  

Episode notes: https://oh8stn.org/blog/2021/08/21/di...

PA500 Home http://diy599.com
Groups.io: https://groups.io/g/diy599
FCC PA500 report: https://fcc.report/FCC-ID/2A2IEPA500

Chapters
00:00 Intro
00:53 PA500 Background & Overview
02:33 New Portable Ham Radio Strategy
04:30 PA500 Detailed feature set
09:12 Field testing
12:09 Q&A
14:32 Final Thoughts




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