[vcf-midatlantic] Head alignment tape

Dave McGuire mcguire at neurotica.com
Sat Jun 17 11:40:40 EDT 2017

On 06/17/2017 11:37 AM, Herb Johnson via vcf-midatlantic wrote:
>> UNIVAC 1540 Magnetic Tape Unit...I wonder if anyone has a 800 BPI,
>> NRZ Master Head Alignment Tape (skew tape) to donate to VCF.
> 7 track or 9 track? The Univacs are pretty old even for "vintage".
> Also, as Dave McGuire noted, a lightly-used tape from a known-good drive
> will be useful. In the floppy-disk world, I use several diskettes each
> from a known good drive to validate "alignment".

  That wasn't me.  But yes, that can be useful for rough validation.

> Seems to me, there's likely several boxes of mag-tapes in the inventory.

  Yes, I brought a few boxes several years ago.


Dave McGuire, AK4HZ
New Kensington, PA

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