[time-nuts] Lucent KS-24361/Z3812A GPSDO initial setup
cbrown at woods.net
Sat Oct 25 21:32:38 UTC 2014
Might want to dial that back a bit.
Since 12V/7ah batteries are mentioned I am assuming standard small
Proper float voltage for a deep cycle is lower than a SLI type, and
gellcell even lower.
Generally 13.6 - 13.8 would be the gellcell range, with 13.6 being right
on for long life use of _small_ batteries. Equalizing charge wold be 14
Floating a small gelcell at 13.6 (27.2) v.s. 14 can mean the diff
between 12 - 24 months v.s. 5 - 7 years service life.
On 10/25/14, 11:39 AM, Tom Miller wrote:
> These units are ideal for powering via a float charged lead acid battery.
> Use two 12 volt / 7 AH batteries in series and adjust the regulated float
> power supply to 28.0 volts. Be sure to use a diode from the supply to the
> battery just in case the supply can't be back fed during a power fail.
> ----- Original Message -----
> From: "Bob Camp" <kb8tq at n1k.org>
> To: "Bob Stewart" <bob at evoria.net>
> Cc: "Time Nuts" <time-nuts at febo.com>
> Sent: Saturday, October 25, 2014 3:01 PM
> Subject: Re: [time-nuts] Lucent KS-24361/Z3812A GPSDO initial setup
>> Spend the effort, get an antenna outside the house. Beg / borrow / steal a
>> UPS. Even a brand new one is less than you paid for the 3812.
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