Lately I have been witnessing people reporting about getting carrier phase from various SiRF GSD4e receivers, such as Navman and OriginGPS.
There is a moltitude of SiRF IV receivers out there, and the list below is not exhaustive:
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Thanks to Димма on a Russian Geodesy blog, we have a snapshot of data collected with SiRFLive2.0 (please forgive text wrapping):
SiRFLive Version: SiRFLive 2.0 Marketing
Thursday, August 25, 2011
PC: W037D299
Physical Connection: UART
SW Version: GSD4e_4.1.0-P1 12/20/2010 354 GSD4e
DUT Name:
28,0,860041386,25,3.8972801716003340e+005,2.5330147020331487e+007,1.8319525e+004,2.5330178622016661e+007,30000,191,27,27,27,27,27,27,27,27,27,27,1000,500,-4,0,0
28,1,860041386,12,3.8972801716003340e+005,2.6510500006031543e+007,1.8745631e+004,2.6510516541034564e+007,30000,191,44,44,44,44,44,44,44,44,44,44,1000,500,-4,0,0
28,2,860041386,2,3.8972801716003340e+005,2.7095735858978566e+007,1.8233168e+004,2.7095742224695239e+007,30000,191,45,45,45,45,45,45,45,45,45,45,1000,500,-4,0,0
28,3,860041386,4,3.8972801716003340e+005,2.8811696972083870e+007,1.8818879e+004,2.8811729208855990e+007,30000,191,43,43,43,43,43,43,43,43,43,43,1000,500,-4,0,0
28,4,860041386,10,3.8972801716003340e+005,2.9933113007417683e+007,1.7881320e+004,2.9933150167102419e+007,30000,191,41,41,41,41,41,41,41,41,41,41,1000,500,-4,0,0
28,5,860041386,30,3.8972801716003340e+005,2.5056555168215591e+007,1.8287135e+004,2.5056605592962816e+007,30000,45,15,15,15,15,15,15,15,15,15,15,1000,500,0,50,0
28,6,860041386,31,3.8972801716003340e+005,2.7253274315252494e+007,1.7911645e+004,2.7253302286751069e+007,30000,45,21,20,20,20,20,20,20,20,20,20,1000,500,-4,50,0
64,2,25,16,2,0,860046711,2711796546,-2018378871,202101184,34,13,19486396,161,170064,14592,765,5295,127,0,373,37,19486200,8,0,0,1
64,2,12,16,2,0,860045683,2711665022,-999316371,206803073,-1,9,19486396,93,88983,14592,243,263,236,0,419,19,19486200,6,0,0,1
64,2,2,16,2,0,860044900,2711564712,590426562,201150408,2,7,19486396,58,34257,14592,209,-410,237,0,471,15,19486200,9,0,0,1
64,2,4,16,2,0,860056748,2713081329,-637293933,207611290,1,2,19486396,178,173482,14592,200,328,229,0,384,20,19486200,9,0,0,1
64,2,10,16,2,0,860052503,2712537904,-712001231,197268336,1,65534,19486396,206,199974,14592,-294,-424,231,0,340,16,19486200,14,0,0,1
64,2,30,16,6,0,860048142,2711979654,-68870448,201744724,2,14,19486396,265,271360,14592,-1060,2049,-30,0,108,130,19486200,0,-1,0,1
64,2,31,16,6,0,860053502,2712665770,-161848563,197604358,5,7,19486396,147,150528,14592,2103,-464,-38,0,83,165,19486200,8,0,0,1
30,25,3.8972799999998091e+005,1.5076749765686795e+007,3.5933861764103957e+006,2.1542989468968987e+007,6.4299937762260811e+001,2.7401660794328523e+003,-4.9865148201605086e+002,1.5608991872749377e-005,1.5621511e-012,1,0.0000000e+000,0.0000000e+000,3.2923935e+000
30,12,3.8972799999998091e+005,1.1884563679683834e+007,1.6291456387266476e+007,1.7384876625289034e+007,-1.1622553644346129e+002,2.1962242709684892e+003,-1.9626822261160808e+003,1.8102194566119174e-005,3.3094907e-012,1,0.0000000e+000,0.0000000e+000,4.2158856e+000
30,2,3.8972799999998091e+005,6.2082524729776531e+006,1.8408282380763520e+007,1.8385535284110300e+007,-2.1201026021377620e+003,-9.3213884708925502e+002,1.6059507862227920e+003,3.5292745438883114e-004,4.0546915e-012,1,0.0000000e+000,0.0000000e+000,4.7821899e+000
30,4,3.8972799999998091e+005,-1.0762067066920688e+007,1.1736652988876456e+007,2.1071583778895516e+007,-2.3825680363444444e+003,-1.3365420890936439e+003,-4.3364700696691807e+002,2.1170121762251255e-004,9.2645414e-012,1,0.0000000e+000,0.0000000e+000,6.5737190e+000
30,10,3.8972799999998091e+005,-9.8302346586159449e+006,2.0084912631979931e+007,1.3816020695044205e+007,-2.8794790172300321e+002,-1.8082575793544818e+003,2.4235822198007645e+003,-1.1038774409012209e-005,-4.5888042e-012,1,0.0000000e+000,0.0000000e+000,9.3115501e+000
30,30,3.8972799999998091e+005,1.5365798544428909e+007,2.2397196288039838e+006,2.1188563043022357e+007,3.0218839841904361e+002,2.7624647015425176e+003,-5.0214592859035730e+002,9.1548491532589152e-005,-3.8803110e-012,4,4.0960000e+005,1.0816000e+004,3.2914379e+000
30,31,3.8972799999998091e+005,7.1807381854674015e+006,-1.3033520067140032e+007,2.2198544705630817e+007,2.4188392313643085e+003,1.3389951664065002e+003,2.4421316559121053e+001,1.3109461800722862e-004,9.3347006e-012,4,4.0960000e+005,1.0816000e+004,4.2912688e+000
41,0,516,1650,389728000,2011,8,25,12,15,13000,16779786,577739216,142115489,22129,18638,21,0,19942,0,0,0,2504,2291,0,1,514445417,0,1830720,0,0,0,0,5,23,8
4,626,38972800,12,2,86,42,191,46,46,45,45,45,45,45,45,45,45,10,62,6,191,41,41,41,41,41,41,41,41,41,41,12,107,50,191,44,44,44,44,44,44,44,43,43,43,30,219,83,45,15,15,15,15,15,15,15,15,15,14,4,38,18,191,44,44,43,43,43,43,43,43,43,43,25,185,85,191,27,27,27,27,27,27,27,26,26,26,31,300,40,45,21,21,21,21,20,20,20,20,20,20,29,215,50,0,0,0,0,0,0,0,0,0,0,0,14,240,16,0,0,0,0,0,0,0,0,0,0,0,9,156,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
2,3305164,837044,5372540,0.000,0.000,0.000,4,4.6,2,626,38972800,5,25,12,2,4,10,0,0,0,0,0,0,0
9,0,0,0,0
7,1650,389728,5,96205,17160052,389727999
50,0,0,18,0,0
As this is a fantastic opportunity for people looking for a cheap RTK system, I am planning to have a further look into this. Any help and comments are appreciated!
EDIT 11/09/26:
I assembled Shilling20, a dual Origin GPS ORG4472 board
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| Figure1: Dual GSD4e (ORG4472) assembly, for short baseline applications. |
And seems that both receivers, with firmware
GSD4e_4.0.4-P1 08/13/2010 225 GSD4e
Output RAW measurements: pseudorange, carrier phase, Doppler, etc. MID64.2 is also preent. More to come soon.
Cheers,
Michele
