Confidence: Medium · Source: FCC ULS · As of 2026-09-10
WO2H callsign genealogy
Currently held by Shanahan, Michael J
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 WO2H's current licensee, walking backwards.
- Shanahan, Michael JNYgranted 2011-10-06cancelled 2013-04-09
Successor callsigns
Callsigns held now by people who previously held WO2H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO2H, oldest first.
- SCHLOICKA, GEORGE E P NJ1998-12-17 → cancelled 2010-12-21
- Shanahan, Michael J NY2023-02-24 active