Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SWA callsign genealogy
Currently held by Heiser, Matthew A
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 W7SWA's current licensee, walking backwards.
- HEISER, MATTHEW ANVgranted 2018-05-09cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held W7SWA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7SWA, oldest first.
- GEISERT JR, EDWARD G WA2003-07-23 → cancelled 2005-02-01
- Heiser, Matthew A NV2019-06-18 active