Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1AST callsign genealogy
Currently held by DORSCHUG, HAROLD 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 W1AST's current licensee, walking backwards.
- KRAINSON, LARRYMAgranted 2006-12-19cancelled 2013-12-20
Successor callsigns
Callsigns held now by people who previously held W1AST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1AST, oldest first.
- DORSCHUG, HAROLD A MA1997-01-24 → cancelled 2009-01-27
- KRAINSON, LARRY MA2023-10-14 active