Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1MDO callsign genealogy
Currently held by PORADA, THOMAS
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 WA1MDO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WA1MDO.
- PORADA, THOMASNVgranted 2008-02-15cancelled 2016-09-09