GPS Accuracy-statistics
Revision as of 15:47, 11 January 2015 by User:Fellrnr (User talk:Fellrnr | contribs)
Revision as of 15:47, 11 January 2015 by User:Fellrnr (User talk:Fellrnr | contribs)
| Device | Count | Trueness (Average Distance Error) |
Standard Deviation (From mean) |
Standard Deviation (From true) |
Pace Error (95%) | Distance Error | ||
|---|---|---|---|---|---|---|---|---|
| (from 9:00 min/mile) | (from 5:30 min/Km) | (20 miles) | (30 Km) | |||||
| Footpod (calibrated) | 3724 | 0.13% (7.1 Ft/Mile, 1.3 m/Km) | 2.34% (123.4 Ft/Mile, 23.4 m/Km) | 2.34% (123.6 Ft/Mile, 23.4 m/Km) | 0:25 | 0:15 | 0.03 | 0.04 |
| Polar V800 | 1095 | 0.22% (11.5 Ft/Mile, 2.2 m/Km) | 2.41% (127.1 Ft/Mile, 24.1 m/Km) | 2.42% (127.6 Ft/Mile, 24.2 m/Km) | 0:26 | 0:16 | 0.04 | 0.07 |
| Garmin 205 | 1125 | 0.47% (24.9 Ft/Mile, 4.7 m/Km) | 3.14% (166.0 Ft/Mile, 31.4 m/Km) | 3.18% (167.9 Ft/Mile, 31.8 m/Km) | 0:34 | 0:21 | 0.09 | 0.14 |
| Garmin 910XT with Footpod | 725 | 1.28% (67.8 Ft/Mile, 12.8 m/Km) | 2.94% (155.4 Ft/Mile, 29.4 m/Km) | 3.21% (169.6 Ft/Mile, 32.1 m/Km) | 0:35 | 0:21 | 0.26 | 0.39 |
| iPhone 4s | 956 | 0.90% (47.3 Ft/Mile, 9.0 m/Km) | 3.12% (164.9 Ft/Mile, 31.2 m/Km) | 3.25% (171.6 Ft/Mile, 32.5 m/Km) | 0:35 | 0:21 | 0.18 | 0.27 |
| Garmin 310XT with Footpod | 3724 | 0.62% (33.0 Ft/Mile, 6.2 m/Km) | 3.30% (174.1 Ft/Mile, 33.0 m/Km) | 3.36% (177.2 Ft/Mile, 33.6 m/Km) | 0:36 | 0:22 | 0.12 | 0.19 |
| Garmin 610 | 2085 | 1.77% (93.3 Ft/Mile, 17.7 m/Km) | 3.14% (165.9 Ft/Mile, 31.4 m/Km) | 3.61% (190.3 Ft/Mile, 36.1 m/Km) | 0:39 | 0:24 | 0.35 | 0.53 |
| Garmin 620 (3.30) | 1130 | 1.76% (92.9 Ft/Mile, 17.6 m/Km) | 3.28% (173.1 Ft/Mile, 32.8 m/Km) | 3.72% (196.5 Ft/Mile, 37.2 m/Km) | 0:40 | 0:25 | 0.35 | 0.53 |
| Garmin 920XT | 755 | 2.48% (131.2 Ft/Mile, 24.8 m/Km) | 3.11% (164.0 Ft/Mile, 31.1 m/Km) | 3.98% (210.1 Ft/Mile, 39.8 m/Km) | 0:43 | 0:26 | 0.50 | 0.75 |
| Garmin 310XT no Footpod | 1945 | 0.94% (49.8 Ft/Mile, 9.4 m/Km) | 3.94% (208.0 Ft/Mile, 39.4 m/Km) | 4.05% (213.9 Ft/Mile, 40.5 m/Km) | 0:44 | 0:27 | 0.19 | 0.28 |
| Samsung Galaxy S3 | 832 | 1.28% (67.7 Ft/Mile, 12.8 m/Km) | 4.00% (211.4 Ft/Mile, 40.0 m/Km) | 4.20% (222.0 Ft/Mile, 42.0 m/Km) | 0:45 | 0:28 | 0.26 | 0.38 |
| Suunto Ambit2 R | 1025 | 1.15% (60.9 Ft/Mile, 11.5 m/Km) | 4.08% (215.7 Ft/Mile, 40.8 m/Km) | 4.24% (224.1 Ft/Mile, 42.4 m/Km) | 0:46 | 0:28 | 0.23 | 0.35 |
| Footpod (uncalibrated) | 3724 | 2.46% (129.8 Ft/Mile, 24.6 m/Km) | 3.81% (201.0 Ft/Mile, 38.1 m/Km) | 4.53% (239.3 Ft/Mile, 45.3 m/Km) | 0:49 | 0:30 | 0.49 | 0.74 |
| Polar RC3 GPS | 1433 | 1.65% (86.9 Ft/Mile, 16.5 m/Km) | 4.62% (244.2 Ft/Mile, 46.2 m/Km) | 4.91% (259.2 Ft/Mile, 49.1 m/Km) | 0:53 | 0:32 | 0.33 | 0.49 |
| TomTom Cardio Runner | 946 | 3.42% (180.6 Ft/Mile, 34.2 m/Km) | 3.65% (192.8 Ft/Mile, 36.5 m/Km) | 5.00% (264.2 Ft/Mile, 50.0 m/Km) | 0:54 | 0:33 | 0.68 | 1.03 |
| Garmin 920XT (GLONASS) | 712 | 3.37% (178.0 Ft/Mile, 33.7 m/Km) | 3.78% (199.4 Ft/Mile, 37.8 m/Km) | 5.06% (267.4 Ft/Mile, 50.6 m/Km) | 0:55 | 0:33 | 0.67 | 1.01 |
| Garmin Fenix 2 (3.30) | 1111 | 2.68% (141.4 Ft/Mile, 26.8 m/Km) | 4.61% (243.3 Ft/Mile, 46.1 m/Km) | 5.33% (281.4 Ft/Mile, 53.3 m/Km) | 0:58 | 0:35 | 0.54 | 0.80 |
| Garmin 10 | 1042 | 3.89% (205.4 Ft/Mile, 38.9 m/Km) | 4.37% (231.0 Ft/Mile, 43.7 m/Km) | 5.86% (309.2 Ft/Mile, 58.6 m/Km) | 1:03 | 0:39 | 0.78 | 1.17 |
| Garmin 620 (pre-v3.30) | 3320 | 3.31% (174.8 Ft/Mile, 33.1 m/Km) | 5.23% (276.1 Ft/Mile, 52.3 m/Km) | 6.19% (326.8 Ft/Mile, 61.9 m/Km) | 1:07 | 0:41 | 0.66 | 0.99 |
| Garmin Fenix 2 (pre-v3.30) | 4378 | 2.79% (147.4 Ft/Mile, 27.9 m/Km) | 6.16% (325.3 Ft/Mile, 61.6 m/Km) | 6.76% (357.2 Ft/Mile, 67.6 m/Km) | 1:13 | 0:45 | 0.56 | 0.84 |
| Polar M400 | 1556 | 4.91% (259.2 Ft/Mile, 49.1 m/Km) | 5.24% (276.7 Ft/Mile, 52.4 m/Km) | 7.18% (379.2 Ft/Mile, 71.8 m/Km) | 1:18 | 0:47 | 0.98 | 1.47 |