Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1HQ callsign genealogy
Currently held by CAMPBELL, EMERSON L
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 W1HQ's current licensee, walking backwards.
- KB1INJcancelledLAIRD CAMPBELL MEMORIAL HQ OPERATORS CLUBCTgranted 2002-06-20cancelled 2002-07-30
Successor callsigns
Callsigns held now by people who previously held W1HQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1HQ, oldest first.
- CAMPBELL, EMERSON L TX1996-08-20 → cancelled 2002-04-26
- ARRL Radio Laboratory CT2022-07-29 active