Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3EQN callsign genealogy
Currently held by HOLLENBACH, HAROLD P
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 K3EQN'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 K3EQN.
- HOLLENBACH, HAROLD PPAgranted 2011-01-07cancelled 2018-05-24