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Re: ✘UBX-MON-SPAN and antennas

From: Gary E. Miller
Subject: Re: ✘UBX-MON-SPAN and antennas
Date: Tue, 22 Feb 2022 18:08:42 -0800

Yo Greg!

On Tue, 22 Feb 2022 20:40:23 -0500
Greg Troxel <> wrote:

> >> (E2 is near E1, and I don't understand
> >> how it is used):  
> >
> > E1 is Galileo, E2 is BeiDou (1561.098MHz, 16MHz)  
> Usually I see BeiDou written B1/B2/B3 now, but I also think they have
> changed their labeling.

BeiDou uses Bx, Compass uses Ex.  Compass is the newer system, but
people still call it BeiDou:

The Chinese have not bothered with authoritative translations, so the
nomenclature is a mess.

> Galileo has a confusing notion of E1/E2 at their 15755ish frquency.
> Look at the graphic in the middle of
> Of course that page could be wrong too.

That matches my understanding.  And the confusing just keeeps growing.

> I guess you need a Septentrio receiver too:

Donations welcome!  $626 is out of my budget.  Native TCP/IP is a nice
touch.  Built in NTRIP client and server.

> which I'm really not clear on but I think does E6.

Doc is here:

I see Galileo E1, E5a, E5b, E5AltBOC,  and E6.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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