[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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