Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MCC callsign genealogy
Currently held by SWIETER, DONALD E
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 W0MCC's current licensee, walking backwards.
- McCauley, Wraylene FCOgranted 2017-03-07cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held W0MCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MCC, oldest first.
- SWIETER, DONALD E IA1993-09-07 → cancelled 2005-09-08
- McCauley, Wraylene F TX2017-04-18 active