Data Check for North America

This page checks the structural integrity of the North America Rover Location Database.
Any problems shown below are automatically sent to the webmaster. If you notice a problem lingering awhile or if you have an update to offer, please tell barry@k7bwh.com.

The North America rover database has 653 entries in 31 states, near 439 cities in 200 counties, from 81 contributors.

Top 20 Contributors

1. Barry K7BWH contributed 317 locations
2. Lynn N7CFO contributed 64 locations
3. Jeff Townsend WB8LYJ contributed 42 locations
4. John NA6L contributed 24 locations
5. Petr AG6EE contributed 15 locations
6. Matt KC7OOY contributed 13 locations
7. Rex WR7X contributed 12 locations
8. Mike K7MDL contributed 11 locations
9. Lance W7GJ contributed 9 locations
10. Lu N2SLN contributed 8 locations
11. Ed N7PHY contributed 6 locations
12. Gabor VE7DXG contributed 6 locations
13. Darryl WW7D contributed 5 locations
14. Gary KG5THG contributed 5 locations
15. Etienne K7ATN contributed 4 locations
16. Dave KG5CCI contributed 4 locations
17. Rod WE7X contributed 4 locations
18. Adam Barbera W2NCC contributed 3 locations
19. Eric KB7DQH contributed 3 locations
20. James K7KQA contributed 3 locations

Unit Test Distance Calculation Functions

1. Distance Mismatch by 2.078 miles: CO89aa00-CO99aa00 returned 71.248625046071 but expected 69.171
2. Distance Mismatch by 2.077 miles: CO89aa00-CP80aa00 returned 69.170888915039 but expected 71.248

Comparing Lat/Long Coords to Grid Name

1. CN87ck Quinalt Ridge, WA, WA: Quinalt Ridge's grid CN87ck32 does not match expected grid CN87cj18 for ( 47.410254,-123.818296)
2. DM51ia Massai Point, AZ, AZ: Massai Point's grid DM51ia21 does not match expected grid DM52ia21 for (32.007351,-109.312242)
3. DM77xv DM77-DM87 Line, CO, CO: DM77-DM87 Line's grid DM77xv98 does not match expected grid DM87av08 for (37.9097222,-104.0000)