Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7IO callsign genealogy
Currently held by SKIPPER, MARCUS E
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 AA7IO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA7IO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA7IO, oldest first.
- NEWCOMB, JOHN C WA1991-05-14 → cancelled 2003-05-15
- SKIPPER, MARCUS E TX2008-03-01 → cancelled 2020-03-03