Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD5TU callsign genealogy
Currently held by COMER, DAVID M
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 AD5TU's current licensee, walking backwards.
- COMER, DAVID MNMgranted 1996-08-05cancelled 2005-03-22
Successor callsigns
Callsigns held now by people who previously held AD5TU.
- COMER, DAVID MNMgranted 2019-06-05