Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8SM callsign genealogy
Currently held by HARVEY, DAVID T
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 KD8SM's current licensee, walking backwards.
- Summers, Mark EOHgranted 2020-03-23cancelled 2022-04-12
Successor callsigns
Callsigns held now by people who previously held KD8SM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD8SM, oldest first.
- HARVEY, DAVID T OH2004-03-11 → cancelled 2016-06-01
- Summers, Mark E OH2022-04-12 active