Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5DAA callsign genealogy
Currently held by Zinn, James K
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 WB5DAA's current licensee, walking backwards.
- Zinn, JamesTXgranted 2023-08-09cancelled 2023-08-29
Successor callsigns
Callsigns held now by people who previously held WB5DAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5DAA, oldest first.
- ZINN, JAMES K NM2009-08-19 → cancelled 2020-08-19
- Zinn, James K TX2023-08-29 active