Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1OTJ callsign genealogy
Currently held by Hathaway, Karl a
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 W1OTJ's current licensee, walking backwards.
- Hathaway, Karl AMAgranted 2017-06-09cancelled 2018-01-05
Successor callsigns
Callsigns held now by people who previously held W1OTJ.
No current licensee on record previously held this callsign.