[GreenKeys] goldenkeys technology

Richard M. Gillingham rmoodyg at bellsouth.net
Thu Nov 29 13:53:31 EST 2012


What brand paper tape degausing coil do you use?

And I've been using an off brand tape stretcher and a poor grade of 
stretching oil resulting in substandard performance.  What do you 
recommend??

73
Gil, W1RG


----- Original Message ----- 
From: "Larry Tighe" <larryradio at att.net>
To: "Nick England" <navy.radio at gmail.com>; "Greenkeys" 
<greenkeys at mailman.qth.net>
Sent: Thursday, November 29, 2012 1:17 PM
Subject: Re: [GreenKeys] goldenkeys technology


> Nick,
>
> Western Electric used, stranded / tinned number six wire to distribute the 
> 48 volts to telephone frames and switches.  This wire is gray for the 
> positive (always positive ground) and gray / black for the negative.  You 
> need this to carry your 60 ma. loop.  I have several 500 foot rolls of 
> this I removed from an ATT microwave tower site.  Because it's extremely 
> flexible, bends won't distort your DC data to the magnet.
>
> I'm selling it for $90/ft.  How much do you want to buy?
>
> lar
> K2JIA
> ----- Original Message ----- 
> From: "Nick England" <navy.radio at gmail.com>
> To: "Greenkeys" <greenkeys at mailman.qth.net>
> Sent: Thursday, November 29, 2012 12:51 PM
> Subject: [GreenKeys] goldenkeys technology
>
>
>> Recently I've switched to using Western Electric patch cords with my
>> M28 gear. After a proper break-in period (RY's for at least 8 hours)
>> I've noticed much crisper letters with particularly well-formed
>> numerals. Also the chad produced by my reperf is more circular and of
>> uniform size.
>> In addition, resoldering the connections in my CV-89A FSK converter
>> with Nassau solder gave me at least 10% more selector range adjustment
>> - of course I also switched to Telefunken tubes in the CV-89A so
>> probably that had some effect too.
>> I have also tried demagnetizing paper tapes before running them
>> through my TD, which has definitely improved bias distortion.
>> I'm always on the lookout for more helpful hints to improve teletype
>> performance - does anyone have experience with Monster Cable for 60ma
>> loop wiring?
>> Your friendly local teletypeophile,
>> Nick
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