Hi Logan,

I seem to remember Bob Camp mentioning that you can't have multiple satellite 
sources in the mix, because the other satellites are inferior to the GPS sats 
in timing.  Maybe Bob or someone could address this.  I would love to discover 
that I've set something wrong in all the many, many data structures.

Bob


--------------------------------------------
On Wed, 4/6/16, Logan Cummings <logan.cummi...@gmail.com> wrote:

 Subject: Re: [time-nuts] LEA-M8T
 To: "Bob Stewart" <b...@evoria.net>, "Discussion of precise time and frequency 
measurement" <time-nuts@febo.com>
 Date: Wednesday, April 6, 2016, 8:18 PM
 
 Hi
 Bob, 
     Can't speak to
 jitter accuracy but the M8 series is definitely not the same
 receiver in the 6 series. As you probably know, M8
 introduced multi-GNSS support so in addition to GPS you have
 Beidou and Glonass satellites.    
       At work we've had some gnashing of
 teeth about the wider filter passband requirements for
 multi-GNSS support since we're operating in a noisy
 environment, but I have nothing further on degraded
 performance when using only GPS.
      Would be interesting to let
 it have all the constellations and see what
 happens.
 -Logan
 On Wed, Apr 6, 2016 at
 10:04 AM, Bob Stewart <b...@evoria.net>
 wrote:
 I
 recently bought a number of LEA-M8T receivers and I have to
 say that I am unimpressed, so far.  They don't survey
 to the same reported accuracy as the LEA-6T in the same
 amount of time.  They certainly aren't better in the
 jitter after sawtooth correction.  So, have I managed to
 overlook some new field, or are they just not the same
 receiver as the 6T?  I did shut all sats off except GPS
 sats.
 
 
 
 Bob - AE6RV
 
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