Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0HLB callsign genealogy
Currently held by Ohm, Ralph W
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 K0HLB's current licensee, walking backwards.
- Ohm, Ralph WCOgranted 2009-04-23cancelled 2012-12-04
Successor callsigns
Callsigns held now by people who previously held K0HLB.
- HUECKSTEADT, JOHN WTXgranted 2020-10-27