Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0NLK callsign genealogy
Currently held by OTT, PHILIP V
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 W0NLK's current licensee, walking backwards.
- OTT, PHILIP VCOgranted 2013-03-06cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held W0NLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0NLK, oldest first.
- HEMMING, JOHN G CO1995-06-21 → cancelled 2007-06-22
- OTT, PHILIP V CO2018-01-09 active