Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MAC callsign genealogy
Currently held by ATTEBERRY JR, CHARLES 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 W0MAC's current licensee, walking backwards.
- KD5OGXcancelledSpring Amateur Radio ClubTXgranted 2001-04-30cancelled 2003-06-06
Successor callsigns
Callsigns held now by people who previously held W0MAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MAC, oldest first.
- ATTEBERRY JR, CHARLES R TX1999-02-10 → cancelled 1999-07-17
- SPRING AMATEUR RADIO CLUB TX2023-07-11 active