-----Original Message-----
From: greenboxmaven via groups.io <ka2ivy=verizon.net@groups.io>
To: TekScopes@groups.io
Sent: Wed, Dec 16, 2020 8:37 pm
Subject: [TekScopes] WTB: 3B4 plug in for RTTY

I am going to use the 561B rack mount scope I have restored in an RTTY
setup.  The time base I have does not offer an external horizontal
input. A 3B4 or perhaps 3T4 does have it. Does anyone have one to spare?
Thanks,

Bruce Gentry, KA2IVY