Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD1Q callsign genealogy
Currently held by HARRISON, SCOTT E
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 KD1Q's current licensee, walking backwards.
- HARRISON, SCOTT EMAgranted 2002-11-05cancelled 2012-02-07
Successor callsigns
Callsigns held now by people who previously held KD1Q.
- CLARK, WILLIAM FMDgranted 2019-11-13cancelled 2020-05-19
All historical holders
Every license row we've seen with the callsign KD1Q, oldest first.
- SMITH SR, CHESTER C NH1996-01-23 → cancelled 2001-01-16
- CLARK, WILLIAM F MD2007-02-24 → cancelled 2009-11-24
- HARRISON, SCOTT E NH2021-12-06 active