History leading up to this.  Two weeks earlier I had mostly finished work on the reperforator.  It tested well at 45 and 75 baud.  Couldn't test 50 because I couldn't decode European tones.  Parts I ordered from Paul arrived and I installed them. 

Then I put the cover on and decided to test again to be sure I didn't mess up something.

That's when I punched the the tape seen in the picture.  My first reaction was a stuck bit.  But the other bits made no sense other than it was a repeating pattern and ran for a length like a line of RY.  

Luckily before I started tweaking things I realized the problem.  Turns out to be a case of sending at 45 baud and receiving at 75.  What kept me scratching my head for a while was the uniform repeating pattern for such a long period

So the test was a memory test.  Didn't remember switching the speed on the test source (Volpe board).

Putting the cover on didn't break things like seems to happen more frequently than not.

John, W9DDD

On Apr 13, 2022, at 1:26 PM, WAYNE <[email protected]> wrote:

See card.

On 04/13/2022 1:31 PM John, W9DDD <[email protected]> wrote:

I copied this while testing my reperf.

<tape-lng.jpg>

At first glance I'm thinking RYs, but no it isn't.

-- 
---
----
The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD

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