Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4MC callsign genealogy
Currently held by Colon-Morciglio, Mildred
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 NP4MC's current licensee, walking backwards.
- Colon-Morciglio, MildredPRgranted 2006-05-27cancelled 2010-09-21
Successor callsigns
Callsigns held now by people who previously held NP4MC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4MC, oldest first.
- MALIK, JANE W B WA1997-01-28 → cancelled 2009-01-29
- Colon-Morciglio, Mildred PR2020-07-21 active