Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1OTY callsign genealogy
Currently held by Reilly, Ian 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 K1OTY's current licensee, walking backwards.
- Reilly, Ian ATXgranted 2019-08-02cancelled 2019-08-30
Successor callsigns
Callsigns held now by people who previously held K1OTY.
- HAMMONDS, WILLIAM ETXgranted 2016-11-04cancelled 2018-09-11
All historical holders
Every license row we've seen with the callsign K1OTY, oldest first.
- HAMMONDS, WILLIAM E TX2008-09-23 → cancelled 2016-11-04
- Reilly, Ian A TX2019-08-30 active