Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7EMP callsign genealogy
Currently held by HECK, AMBROSE E
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 W7EMP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7EMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7EMP, oldest first.
- HECK, AMBROSE E MT2000-08-18 → cancelled 2012-08-21
- NELSON, JENNIFER L OK2026-02-28 active