Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF4ST callsign genealogy
Currently held by MAUPIN, ANDY
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 AF4ST's current licensee, walking backwards.
- MAUPIN, ANDYGAgranted 1999-06-01cancelled 2000-05-05
Successor callsigns
Callsigns held now by people who previously held AF4ST.
- MAUPIN, ANDYGAgranted 2017-08-19cancelled 2019-05-21