[]
WAAS only works in North America. I don't know details elsewhere, but the
PMTK313 message says it turns searching for SBAS satellites on and off.
--Jim Harman
==
Thanks for the information on the messages, Jim.
For your information, in Europe we have EGNOS,
On Thu, Apr 10, 2014 at 2:48 PM, Bob Stewart b...@evoria.net wrote:
The only particular anomaly I can see is that it uses satellites
close to the horizon for position fixing.I'm getting a reported SNR of 39
at 5 degrees elevation and 37 at 3 degrees, though I notice the sat at 3
degrees
On 10/04/14 23:48, Bob Stewart wrote:
My Adafruit has gone walkabout again. This is a different unit than the one I spoke
about some months ago. It's been about 150 ft from my actual location, which has, of
course, made a mess of my GPSDO. Well, at least it verified my unlock code.
I did
, I don't even
have a reliable way to do it after a cold start. And I don't like the +/-
52ns sawtooth.
Bob
From: Magnus Danielson mag...@rubidium.dyndns.org
To: time-nuts@febo.com
Sent: Friday, April 11, 2014 2:49 PM
Subject: Re: [time-nuts] Adafruit
My Adafruit has gone walkabout again. This is a different unit than the one I
spoke about some months ago. It's been about 150 ft from my actual location,
which has, of course, made a mess of my GPSDO. Well, at least it verified my
unlock code. I did a POR and it seemed to come home, but
Stewart b...@evoria.net
Sent: Thursday, April 10, 2014 5:25 PM
Subject: Re: [time-nuts] Adafruit (MT3339) problems today
Mine would do that when the antenna was indoors. It is much more stable since
I put it outdoors on a windowsill. Do you have WAAS or equivalent available?
Enabling that helped my
On Thu, Apr 10, 2014 at 6:46 PM, Bob Stewart b...@evoria.net wrote:
Could you give me a bit more information on using WAAS?
I used the Adafruit library to send it the message
// Turn on WAAS
GPS.sendCommand($PMTK301,2*2E);
and after that the GGA message shows a fix type of 2 where it