Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4ESF callsign genealogy
Currently held by CURTIS, TRENA B
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 KD4ESF's current licensee, walking backwards.
- KM4NIAcancelledTrena W Curtis KD4ESF Memorial Amateur Radio ClubTNgranted 2015-09-16cancelled 2017-07-01
Successor callsigns
Callsigns held now by people who previously held KD4ESF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4ESF, oldest first.
- CURTIS, TRENA B TN2013-04-16 → cancelled 2015-06-11
- Trena W Curtis KD4ESF Memorial Amateur Radio Club TN2017-07-01 active