[Amps] QST Article 3-500 Tube Tester

[Jim W7RY]

Found it thanks!
April 2012.

73
Jim W7RY


-----Original Message----- 
From: Jim W7RY
Sent: Sunday, November 18, 2012 10:01 PM
To: AMPS
Subject: [Amps] QST Article 3-500 Tube Tester

Can anyone refresh my memory on which QST issue the 3-500 tube tester was 
in? I’ve been looking on the ARRL site and no luck.

Thanks!
73
Jim W7RY
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