Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5CKK callsign genealogy
Currently held by HARRISON, HERMAN O
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 W5CKK's current licensee, walking backwards.
- ABBOTT, DANIEL LTXgranted 2003-12-03cancelled 2009-07-10
Successor callsigns
Callsigns held now by people who previously held W5CKK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5CKK, oldest first.
- HARRISON, HERMAN O TX1997-08-05 → cancelled 1999-06-13
- ABBOTT, DANIEL L TX2019-04-29 active