Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1AS callsign genealogy
Currently held by GREENWAY, WILLIAM 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 KB1AS's current licensee, walking backwards.
- SANTANA, AMAURY EMAgranted 2013-02-15cancelled 2013-05-25
Successor callsigns
Callsigns held now by people who previously held KB1AS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB1AS, oldest first.
- GREENWAY, WILLIAM C MI1997-11-05 → cancelled 2009-11-06
- SANTANA, AMAURY E MA2023-03-25 active