Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KD4SAH callsign genealogy
Currently held by Hertzler, Steve 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 KD4SAH's current licensee, walking backwards.
- Hertzler, Steve ATNgranted 2016-07-28cancelled 2016-08-16
Successor callsigns
Callsigns held now by people who previously held KD4SAH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4SAH, oldest first.
- TUELL, CINDY C VA2002-05-14 → cancelled 2014-08-12
- Hertzler, Steve A TN2026-09-02 active