Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MKR callsign genealogy
Currently held by ROCKWALL MAKERSPACE AMATEUR RADIO CLUB
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 W5MKR's current licensee, walking backwards.
- KJ5GPVcancelledROCKWALL MAKERSPACE AMATEUR RADIO CLUBTXgranted 2024-06-06cancelled 2024-06-28
Successor callsigns
Callsigns held now by people who previously held W5MKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5MKR, oldest first.
- CAMPBELL, AARON R TX1994-12-09 → cancelled 2006-12-12
- ROCKWALL MAKERSPACE AMATEUR RADIO CLUB TX2024-06-28 active