Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MPS callsign genealogy
Currently held by Sandoval, Marco S
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 K1MPS's current licensee, walking backwards.
- Sandoval, Marco SMAgranted 2003-05-02cancelled 2004-08-06
Successor callsigns
Callsigns held now by people who previously held K1MPS.
No current licensee on record previously held this callsign.