Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT5M callsign genealogy
Currently held by GESSNER, MARK D
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 WT5M's current licensee, walking backwards.
- GESSNER, MARK DTXgranted 2009-01-12cancelled 2016-03-05
Successor callsigns
Callsigns held now by people who previously held WT5M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT5M, oldest first.
- REDDIN, H WAYNE TX2004-02-25 → cancelled 2016-02-17
- GESSNER, MARK D ID2026-01-23 active