Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5MAR callsign genealogy
Currently held by COCKRELL, CHARLES H
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 N5MAR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N5MAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5MAR, oldest first.
- COCKRELL, CHARLES H FL2004-06-17 → cancelled 2004-06-15
- MAR JR, CARLOS TX2026-04-16 active