Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5ZTW callsign genealogy
Currently held by MC DANIEL, MARYLOU N
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 W5ZTW's current licensee, walking backwards.
- TANNER, DANIEL JTXgranted 2012-06-29cancelled 2020-05-08
Successor callsigns
Callsigns held now by people who previously held W5ZTW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5ZTW, oldest first.
- MC DANIEL, MARYLOU N TX2007-04-05 → cancelled 2018-08-14
- TANNER, DANIEL J TX2020-05-08 active