Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JNW callsign genealogy
Currently held by MC CLANAHAN, THOMAS M
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 K5JNW's current licensee, walking backwards.
- Warren, JakeTXgranted 2020-08-31cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held K5JNW.
- Warren, JakeTXgranted 2021-04-17
All historical holders
Every license row we've seen with the callsign K5JNW, oldest first.
- MC CLANAHAN, THOMAS M TX2006-06-21 → cancelled 2018-09-13
- Warren, Jake TX2020-09-18 → cancelled 2021-04-17