Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4WTL callsign genealogy
Currently held by MANSFIELD, NATHAN 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 KJ4WTL's current licensee, walking backwards.
- MANSFIELD, NATHAN ATNgranted 2017-10-23cancelled 2017-11-25
Successor callsigns
Callsigns held now by people who previously held KJ4WTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ4WTL, oldest first.
- ARES Of Hernando Co Florida FL2010-08-06 → cancelled 2012-01-11
- MANSFIELD, NATHAN A TN2017-11-25 active