Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1MNR callsign genealogy
Currently held by Johnson II, Robert A
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 KA1MNR's current licensee, walking backwards.
- Johnson II, Robert AMAgranted 2007-03-21cancelled 2007-04-14
Successor callsigns
Callsigns held now by people who previously held KA1MNR.
- NELSON, CARL DMAgranted 2000-05-17cancelled 2012-08-08