Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD7T callsign genealogy
Currently held by Eischen, Jim A
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 WD7T's current licensee, walking backwards.
- Eischen, Jim AAZgranted 2003-02-04cancelled 2009-07-07
Successor callsigns
Callsigns held now by people who previously held WD7T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD7T, oldest first.
- JENNINGS, CHARLES P CA1997-06-17 → cancelled 2009-06-18
- Eischen, Jim A AZ2020-04-14 active