Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4BOL callsign genealogy
Currently held by TODD, HENRY E
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 KA4BOL's current licensee, walking backwards.
- Hendrickson Jr, James CVAgranted 2018-10-02cancelled 2019-04-19
Successor callsigns
Callsigns held now by people who previously held KA4BOL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4BOL, oldest first.
- TODD, HENRY E KY2002-03-26 → cancelled 2014-06-24
- Hendrickson Jr, James C VA2019-04-19 active