Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5SCD callsign genealogy
Currently held by Simon, Mark J
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 KB5SCD's current licensee, walking backwards.
- Simon, Mark JTXgranted 2019-02-05cancelled 2019-02-26
Successor callsigns
Callsigns held now by people who previously held KB5SCD.
- Simon, Mark JFLgranted 2020-06-26
All historical holders
Every license row we've seen with the callsign KB5SCD, oldest first.
- HAMMONDS, EYVONNE I LA1992-05-05 → cancelled 2004-05-06
- Simon, Mark J TX2019-02-26 → cancelled 2020-06-26