Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4PYP callsign genealogy
Currently held by Ter Haar, Robbert 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 KQ4PYP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KQ4PYP.
- Ter Haar, Robbert HTNgranted 2024-03-19