Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1LSP callsign genealogy
Currently held by KNAPP, KARL H
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 N1LSP's current licensee, walking backwards.
- KNAPP, KARL HPAgranted 2017-06-20
Successor callsigns
Callsigns held now by people who previously held N1LSP.
- KNAPP, KARL HPAgranted 2017-06-20