Hi
Over the years, there have been many generations of GPS gear.
Even today there is a range of stuff out there. Any time you dive into
this or that box there is a long list of things to wonder about.
1) Does it expect a 50 db, 30 db, 20 db or 12 db gain antenna? Some
front ends are designed wit
jack.da...@engineer.com said:
> I have a Datum Exactime ET-6000TCXO that I use to lock all my test equipment
> to 10 MHz. My GPS antenna is approximately 200 feet from the receiver and I
> have intermittent GPS signal levels and associated unlocking of my
> ET-6000TCXO. I have tried using bigge
(GMT-08:00) To: time-nuts@lists.febo.com Subject: [time-nuts] Re:
Stability question I suppose you could do a split type distribution of the conversion
functions, but it may be simpler to just add some more gain at L1 with an in-line
amplifier - preferably close to the far
.
Original message From: ed breya Date:
3/2/22 9:29 PM (GMT-08:00) To: time-nuts@lists.febo.com Subject: [time-nuts]
Re: Stability question I suppose you could do a split type distribution of the
conversion functions, but it may be simpler to just add some more gain at L1
with an in-line
cable Sent from
my Verizon, Samsung Galaxy smartphone by Morse code.700.00
Original message From: va2...@ebox.net Date: 3/2/22 9:30 PM
(GMT-08:00)77To: Discussion of precise time and frequencyuhuu8u7 measurement
Subject: [time-nuts] Re: Stability question Hi
Jack.At work I h
I was curious and looked up the Datum unit. In the datasheet, there's
this option:
26B55144 HIGH GAIN GPS ANTENNA
This antenna supports an antenna cable loss of up to
35dB. It is required for Option 20D (400'/120 m) or
20E (500'/150 m) antenna cables.
So, 200' should be no sweat, if you use
Hi Jack.
At work I had to bring GPS signal to one of our labs, which is in the
middle of a building with no rooftop access or nearby window. The only I
was able to do it was to bring a long run of LMR400 cable from my
rooftop antenna on top of the building which connects to a GNSS splitter
am
I suppose you could do a split type distribution of the conversion
functions, but it may be simpler to just add some more gain at L1 with
an in-line amplifier - preferably close to the far (antenna) end. You'd
have to work out how to provide the DC power for it, like taking some 5V
supply curre
