Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4HCM callsign genealogy
Currently held by COLON MONTERO, HECTOR R
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 KP4HCM's current licensee, walking backwards.
- Colon-Montero, Hector RPRgranted 2014-04-07cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held KP4HCM.
No current licensee on record previously held this callsign.