Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5ISO callsign genealogy
Currently held by Badger, William 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 KD5ISO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD5ISO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5ISO, oldest first.
- Badger, William E TX1999-12-02 → cancelled 2011-12-03
- Garcia, Bradford L TX2026-09-01 active