CompactFlash GPS: How Pocket PCs Became Navigators — companion record
Updated October 2, 2026
Article: https://yenra.com/compact-flash-gps/

HOW TO USE
Start with model labels and exact manuals. Mark each dependency documented, observed or unknown. Preserve accessible personal data and maps before changes. Test only documented combinations; an adapter or physical fit alone does not establish compatibility.

RECORD
1. Goal; receiver model; host model/OS; manual source/revision
   Notes: 

2. Slot type; jacket/adapter identity; supporting compatibility evidence
   Notes: 

3. Power/accessory requirements from exact documentation
   Notes: 

4. Driver source/version; input port/protocol/settings from manual
   Notes: 

5. Navigation program/version; map product/region/release/license evidence
   Notes: 

6. Map and receiver card arrangement; available storage
   Notes: 

7. Existing data copies and locations (private)
   Notes: 

8. Test 1: host recognizes card / evidence / unresolved
   Notes: 

9. Test 2: application receives input / evidence / unresolved
   Notes: 

10. Test 3: valid position / time/conditions / evidence
   Notes: 

11. Test 4: map display / intended area / evidence
   Notes: 

12. Separate reporting network/service, only if tracking is part of goal
   Notes: 

13. Result: exhibit / receiver demonstration / more research; remaining dependencies
   Notes: 

SOURCE CONTEXT
This original Yenra worksheet accompanies the linked guide. Historical documents establish dated capabilities; confirm exact model, version and current service applicability. Sources:
https://www.manualslib.com/manual/327086/Teletype-1390.html