Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MAS callsign genealogy
Currently held by SANDLER, MARK A
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 K7MAS's current licensee, walking backwards.
- SANDLER, MARK Acancelled 1998-03-10
Successor callsigns
Callsigns held now by people who previously held K7MAS.
No current licensee on record previously held this callsign.