Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR9CHR callsign genealogy
Currently held by Archer, John
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 KR9CHR's current licensee, walking backwards.
- Archer, JohnWIgranted 2020-12-29cancelled 2021-01-19
Successor callsigns
Callsigns held now by people who previously held KR9CHR.
- Archer, John HWIgranted 2021-09-17