Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5RAG callsign genealogy
Currently held by PARTLOW, MICHAEL J
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 KB5RAG's current licensee, walking backwards.
- Grigsby Jr, Robert ATXgranted 2022-07-07cancelled 2024-10-08
Successor callsigns
Callsigns held now by people who previously held KB5RAG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5RAG, oldest first.
- PARTLOW, MICHAEL J TX1992-02-04 → cancelled 2004-02-05
- Grigsby Jr, Robert A TX2024-10-08 active