Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG5WIZ callsign genealogy
Currently held by SPEARMAN Mr., GERALD 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 KG5WIZ's current licensee, walking backwards.
- SPEARMAN, GERALD JTXgranted 2018-12-07cancelled 2019-06-01
Successor callsigns
Callsigns held now by people who previously held KG5WIZ.
- SPEARMAN, GERALD JTXgranted 2018-12-07cancelled 2019-06-01
All historical holders
Every license row we've seen with the callsign KG5WIZ, oldest first.
- SPEARMAN, GERALD J TX2017-12-04 → cancelled 2018-12-07
- SPEARMAN Mr., GERALD J TX2019-06-01 active