Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8SIR callsign genealogy
Currently held by Parks, Ryan D
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 W8SIR's current licensee, walking backwards.
- Mittan, Eric DNYgranted 2026-06-06cancelled 2026-07-28
Successor callsigns
Callsigns held now by people who previously held W8SIR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8SIR, oldest first.
- Parks, Ryan D MI2013-06-11 → cancelled 2025-06-12
- Mittan, Eric D NY2026-07-28 active