Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4ASB callsign genealogy
Currently held by MAWHINNEY, JASON S
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 KG4ASB's current licensee, walking backwards.
- Beauchamp, Andrew SVAgranted 2023-02-14cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held KG4ASB.
- Mawhinney, Jason SMDgranted 2001-03-10cancelled 2003-11-11
All historical holders
Every license row we've seen with the callsign KG4ASB, oldest first.
- MAWHINNEY, JASON S VA1998-11-10 → cancelled 2001-03-10
- Beauchamp, Andrew S VA2023-03-13 active