[time-nuts] Has my TBolt gone south ?
William Beam
wbeam at gci.net
Wed Aug 12 19:18:54 EDT 2015
A nearby thunderstorm could have taken out the preamp in the antenna.
73 Bill Beam
NL7F
----- Original Message -----
From: "Discussion of precise time and frequency measurement"
To:
Cc:
Sent:Wed, 12 Aug 2015 23:29:45 +0200
Subject:Re: [time-nuts] Has my TBolt gone south ?
On 8/12/2015 8:29 PM, Hal Murray wrote:
> How long did you wait after turning it on?
> How good is your antenna position?
> Did you tell it to remember the location after a survey finished?
>
> If it's been off for a few weeks, it doesn't know where the
satellites are.
> To get started, it has to find one by a brute force search. With a
good
> antenna, that doesn't take very long. Then it takes 15 minutes to
collect
> the satellite info. With a poor antenna location, it takes longer,
maybe a
> lot longer.
Thanks Hal for your answer.
My TB now is switched on since yesterday, but no satellites are
acquired...
Last time I switched it on, it worked, and, even after a long off
period, it did take not more than
a few minutes to acquire the first satellite.
Yesterday, after I saw that no satellites did show up in LH, I issued
the ! command to do a cold reset,
just to see if it could be of help.
My antenna is a timing antenna, on the chimney of my house,
completely free from obstacles.
There is the possibilities that a thunderstorm has broken its small
mast, tomorrow I will check.
This seems to be the only reasonable cause of the malfunction... the
TB accepts commands
and sends back status info. Unless its GPS receiver has developed a
fault..
73 Alberto I2PHD
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