Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ANO callsign genealogy
Currently held by SHEAFFER, MICHAEL L
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 W4ANO's current licensee, walking backwards.
- SHEAFFER, MICHAEL LGAgranted 2001-02-14cancelled 2007-02-23
Successor callsigns
Callsigns held now by people who previously held W4ANO.
No current licensee on record previously held this callsign.