GPS L1アンテナ・受信機評価 - RTK-GPS初期化時間
GPS L1 Antenna/Receiver - RTK-GPS Time To First Fix (TTFF) with Ambiguity Resolution		 戻る

L1 RTK-GPS初期化時間 (基線長=1 m)
L1 RTK-GPS Time To First Fix (TTFF) with Ambiguity Resolution (Baseline Length=1 m)

No Rover Time To First Fix (TTFF)
with Ambiguity Resolution (AR) *1
 Date
Antenna Receiver Mean
Time		 95%
Time		 Max
Time		 AR Success
Rate
1 GPS-702-GG OEMV-3 132.7 s 630.0 s 1240.0 s 99.4% 2008/5/9
2 ANN-MS OEMV-3 968.5 s 3010.0 s 6310.0 s 91.5% 2008/2/25
3 AT575 OEMV-3 436.7 s 1370.0 s 3500.0 s 94.7% 2008/3/3
4 4G15A2-XS-3 OEMV-3 514.4 s 1650.0 s 3260.0 s 95.7% 2008/3/7
5 2335TB OEMV-3 535.8 s 1550.0 s 2940.0 s 94.4% 2008/3/10
6 GPS-TMG-40N OEMV-3 573.4 s 1900.0 s 4250.0 s 92.2% 2008/3/12
7 GPS-M1ZZ Ant OEMV-3 983.2 s 3910.0 s 6600.0 s 92.6% 2008/3/14
8 GPS-702-GG AEK-4T 131.2 s 490.0 s 1200.0 s 97.9% 2008/5/12
9 ANN-MS AEK-4T 652.8 s 1840.0 s 3490.0 s 94.2% 2008/5/14
10 GPS-702-GG EVK-5H - - - 0.0% 2008/4/19
11 ANN-MS EVK-5H - - - 0.0% 2008/3/5
12 GPS-702-GG SuperStar II 490.1 s 2000.0 s 4280.0 s 93.8% 2008/5/17
13 ANN-MS SuperStar II 1033.3 s 2890.0 s 4570.0 s 80.1% 2008/5/25
14 GPS-702-GG Crescent 183.1 s 730.0 s 1750.0 s 96.8% 2008/5/19
15 ANN-MS Crescent 758.0 s 2270.0 s 5020.0 s 94.8% 2008/5/24
18 AT2775-43 OEMV-3 155.9 s 670.0 s 2740.0 s 99.2% 20086/1
19 AT2775-43 AEK-4T 199.1 s 910.0 s 2010.0 s 98.3% 2008/6/4
20 Bullet III OEMV-3 256.8 s 816.0 s 2200.0 s 97.9% 2008/7/22
21 Bullet III AEK-4T 337.6 s 1176.0 s 2400.0 s 96.1% 2008/7/23
*2 GPS-702-GG
(L1/L2)		 OEMV-3
(L1/L2)		 0.5 s 0.0 s 130.0 s 100.0 % 2008/5/9
Reference Station Antenna/Receiver: NovAtel GPS-702-GG/NovAtel OEMV-3
Positioning Start Time: every 30s, Interval: 10s, Elevation Mask: 15deg, No Antenna Model
*1 Ambiguity Resolution: LAMBDA/MLAMBDA, Ambiguity Validation: Ratio-Test (Thresshold=53)
*2 Dual Frequency (L1/L2) RTK-GPS for reference

L1 RTK-GPS初期化時間分布 (基線長=1 m)
Distribution of L1 RTK-GPS TTFF with Ambiguity Resolution (Baseline Length=1 m)

Antenna Receiver RTK-GPS Time To First Fix (TTFF)
with Ambiguity Resolution
Histgram and Cumlative Distribution
NovAtel
GPS-702-GG		 NovAtel
OEMV-3
u-blox
ANN-MS		 NovAtel
OEMV-3
AeroAntenna
AT575		 NovAtel
OEMV-3
AntCom
4G15A2-XS-3		 NovAtel
OEMV-3
Micro Pulse
2335TB		 NovAtel
OEMV-3
PCTel
GPS-TMG-40N		 NovAtel
OEMV-3
Pioneer
GPS-M1ZZ Ant		 NovAtel
OEMV-3
NovAtel
GPS-702-GG		 u-box
AEK-4T
u-blox
ANN-MS		 u-blox
AEK-4T
NovAtel
GPS-702-GG		 u-blox
EVK-5H
u-blox
ANN-MS		 u-blox
EVK-5H
NovAtel
GPS-702-GG		 NovAtel
SuperStar II
u-blox
ANN-MS		 NovAtel
SuperStar II
NovAtel
GPS-702-GG		 Hemisphere
Crescent
u-blox
ANN-MS		 Hemisphere
Crescent
AeroAntenna
AT2775-43		 NovAtel
OEMV-3
AeroAntenna
AT2775-43		 u-blox
AEK-4T
Trimble
Bullet III		 NovAtel
OEMV-3
Trimble
Bullet III		 u-blox
AEK-4T
NovAtel
GPS-702-GG
(L1/L2)		 NovAtel
OEMV-3
(L1/L2)

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