Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4KTK callsign genealogy
Currently held by CHELLSTORP, CLAUD 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 WA4KTK's current licensee, walking backwards.
- CHELLSTORP, CHADTNgranted 2006-10-11cancelled 2011-05-03
Successor callsigns
Callsigns held now by people who previously held WA4KTK.
- CHELLSTORP, CLAUD ATNgranted 2017-09-02
All historical holders
Every license row we've seen with the callsign WA4KTK, oldest first.
- CHELLSTORP, CLAUD A TN1998-03-20 → cancelled 2006-09-23
- CHELLSTORP, CHAD TN2021-02-18 active