Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1HE callsign genealogy
Currently held by PARKINGTON, THOMAS B
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 W1HE's current licensee, walking backwards.
- Kim, Hyun-SooCTgranted 2007-07-20cancelled 2008-11-25
Successor callsigns
Callsigns held now by people who previously held W1HE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1HE, oldest first.
- PARKINGTON, THOMAS B MA1997-08-27 → cancelled 2008-11-05
- Kim, Hyun-Soo CA2018-08-28 active