Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5USC callsign genealogy
Currently held by DAVENPORT, JAMES M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N5USC's current licensee, walking backwards.
- Abdalla, Tammera KNMgranted 2024-09-11cancelled 2024-10-11
Successor callsigns
Callsigns held now by people who previously held N5USC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5USC, oldest first.
- DAVENPORT, JAMES M TX1991-07-09 → cancelled 2003-07-10
- Abdalla, Tammera K NM2024-10-11 active