Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CSA callsign genealogy
Currently held by CSASZAR JR, EDWARD 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 K5CSA's current licensee, walking backwards.
- CSASZAR JR, EDWARD JMSgranted 2017-02-22cancelled 2018-09-07
Successor callsigns
Callsigns held now by people who previously held K5CSA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5CSA, oldest first.
- BOONE, MARVIN L OK2005-08-24 → cancelled 2017-10-03
- CSASZAR JR, EDWARD J MS2018-09-07 active