Jonny Durand's track Log:

This is a display using SeeYou and the "altitude" chart which is supposed to display barometric altitude. When I use SeeYou to display "GPS altitude" both instruments give the same values.

The red line is the Flymaster tracker. The blue line is his Flytec 6030. I've already shown that my Flytec 6030 and my Volirium P1 give the same results.

https://ozreport.com/23.193

I've also shown the the Flymaster tracker's track log shows a higher value than Greg Kendall's Flytec 5030.

https://ozreport.com/23.193#2

This is Kraig Coomber's track log:

The blue line in this case is the Flymaster tracker. The red line is his Flytec 6030.

I have track logs from four pilots. Two from the third task and two from the last task. Some of the IGC file can be found here: https://airtribune.com/santa-cruz-flats-race-mark-knight-memorial-2019/results. Also there is an on-going discussion here:

https://www.facebook.com/groups/118763844883239/permalink/2414056872020580/

I reviewed some of my other flights at the SCFR and saw the same pattern.

I then checked out some of my flights in Big Spring.

The Flymaster Trackers and the Flytec 6030 produced the same values. Here is an example:

So why are the Flymaster trackers working correctly in Big Spring but not at the SCFR?

My Flymaster tracker in Big Spring:

AXFMSFP Flymaster Live, V1.0, S/N 226405
HFFXA010
HFPLTPILOT:Davis Straub
HFGTYGLIDERTYPE:
HFGIDGLIDERID:
HFDTM100GPSDATUM:WGS-1984
HFCIDCOMPETITIONID:101
HFCCLCOMPETITIONCLASS:
HOSITSITE:Big Springs-US
HFGPS:UBLOXNEO6
HFPRSPRESSALTSENSOR:NA
HFRFWFIRMWAREVERSION:202g
HFRHWHARDWAREVERSION:1.0R2
HFFTYFRTYPE:FLYMASTER,LIVE

My Flymaster tracker at SCFR:

AXYYAAA
HFDTE210919
HFFXA500
HFPLTPILOTINCHARGE:Davis Straub
HFGTYGLIDERTYPE:
HFGIDGLIDERID:
HFDTM100GPSDATUM:WGS-1984
HFRFWFIRMWAREVERSION:0.4
HFRHWHARDWAREVERSION:
HFFTYFRTYPE:Airtribune Logger
HFGPSAirtribune
HFPRSPRESSALTSENSOR:
HFCIDCOMPETITIONID:101

Greg's Flymaster tracker at SCFR:

AXYYAAA
HFDTE210919
HFFXA500
HFPLTPILOTINCHARGE:Greg Kendall
HFGTYGLIDERTYPE:
HFGIDGLIDERID:
HFDTM100GPSDATUM:WGS-1984
HFRFWFIRMWAREVERSION:0.4
HFRHWHARDWAREVERSION:
HFFTYFRTYPE:Airtribune Logger
HFGPSAirtribune
HFPRSPRESSALTSENSOR:
HFCIDCOMPETITIONID:222

Jonny's Flymaster tracker at SCFR:

AXYYAAA
HFDTE180919
HFFXA500
HFPLTPILOTINCHARGE:Jonny Durand
HFGTYGLIDERTYPE:
HFGIDGLIDERID:
HFDTM100GPSDATUM:WGS-1984
HFRFWFIRMWAREVERSION:0.4
HFRHWHARDWAREVERSION:
HFFTYFRTYPE:Airtribune Logger
HFGPSAirtribune
HFPRSPRESSALTSENSOR:
HFCIDCOMPETITIONID:21

Is the score keeper taking the data from the Airtribune web site for the SCFR and not from the Flymaster web site? Does this also explain the drop outs? We know that the source of the data for the Airtribune web site is the Flymaster web site and we know that there are problems getting the data from one web site to another.

We also know that the meet organizers were unable to get the Flymaster Live Tracking working for the SCFR.