Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7NYY callsign genealogy
Currently held by Birkland, 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 W7NYY's current licensee, walking backwards.
- Birkland, Michael LAZgranted 2021-07-22cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held W7NYY.
No current licensee on record previously held this callsign.