Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7ZAP callsign genealogy
Currently held by Howell, Troy C
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 KA7ZAP's current licensee, walking backwards.
- Howell, Troy CNVgranted 2021-06-22cancelled 2021-07-20
Successor callsigns
Callsigns held now by people who previously held KA7ZAP.
No current licensee on record previously held this callsign.