Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LNH callsign genealogy
Currently held by Hallbach, Lisa
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 K1LNH's current licensee, walking backwards.
- Hallbach, LisaNHgranted 2026-03-11cancelled 2026-03-31
Successor callsigns
Callsigns held now by people who previously held K1LNH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LNH, oldest first.
- O Loughlin, Ronald F AZ2014-03-20 → cancelled 2026-03-06
- Hallbach, Lisa NH2026-03-31 active