Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8EM callsign genealogy
Currently held by HARVALA, RICHARD S
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 KD8EM's current licensee, walking backwards.
- Tschantz, Michael CMIgranted 2014-09-22cancelled 2021-10-01
Successor callsigns
Callsigns held now by people who previously held KD8EM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD8EM, oldest first.
- HARVALA, RICHARD S MI1998-04-08 → cancelled 2010-04-09
- Tschantz, Michael C MI2021-10-01 active