gpsd Satellite Elev & Azim

[Nick Taylor]

Hi all

Just a random question... I have 2 different GPS receivers and have 
noticed that they report slightly differing Elevation and Azimuth 
numbers for Satellites

I'm attaching screenshot, but I know that Gary prefers text so eg 
numbers transcribed here:

Receiver on left is Ublox Neo M8N
GNSS     S PRN    Elev    Azim   SNR   Use
GP 7       7      14.0   326.0  25.0    Y
SB123     36      27.0   151.0   0.0    N

Receiver on right is MTK-3301 SIM68M
GNSS     S PRN    Elev    Azim   SNR   Use
GP 7       7      13.0   326.0  39.0    Y
SB123     36      26.0   150.0  28.0    N

Anyone seen similar - I'd have expected the numbers to exactly match??

I'm in UK BTW if that makes any difference (well I guess you know 
*exactly* where I am - GPS is wonderful :D  )

TIA

Nick

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