Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5OTM callsign genealogy
Currently held by Herndon, Richard C
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 K5OTM's current licensee, walking backwards.
- Herndon, RichardTXgranted 2018-05-21cancelled 2018-06-08
Successor callsigns
Callsigns held now by people who previously held K5OTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5OTM, oldest first.
- PARK, PAUL R AZ1987-10-13 → cancelled 1999-10-14
- Herndon, Richard C TX2018-06-08 active