Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8ZTM callsign genealogy
Currently held by HAAG, ROBERT 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 W8ZTM's current licensee, walking backwards.
- Haag, Robert AOHgranted 2003-01-27cancelled 2004-07-13
Successor callsigns
Callsigns held now by people who previously held W8ZTM.
No current licensee on record previously held this callsign.