Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1KHW callsign genealogy
Currently held by WICHMANN, 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 W1KHW's current licensee, walking backwards.
- N1QYPcancelledcancelled 1998-01-14
Successor callsigns
Callsigns held now by people who previously held W1KHW.
No current licensee on record previously held this callsign.