Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4RXP callsign genealogy
Currently held by VANHOOK, JOSEPH R
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 KD4RXP's current licensee, walking backwards.
- VANHOOK, JOSEPH RTNgranted 2017-10-16cancelled 2017-11-07
Successor callsigns
Callsigns held now by people who previously held KD4RXP.
- VanHook, Joseph RIAgranted 2020-06-30
All historical holders
Every license row we've seen with the callsign KD4RXP, oldest first.
- VAN HOOK, JOSEPH R TN2002-07-10 → cancelled 2014-08-12
- VANHOOK, JOSEPH R IA2017-11-07 → cancelled 2020-06-30