Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5HZS callsign genealogy
Currently held by KNICKERBOCKER, RONALD E
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 N5HZS's current licensee, walking backwards.
- Zacarias, Hugo STXgranted 2010-12-17cancelled 2012-01-06
Successor callsigns
Callsigns held now by people who previously held N5HZS.
- KNICKERBOCKER, RONALD EOKgranted 2021-06-15
All historical holders
Every license row we've seen with the callsign N5HZS, oldest first.
- KNICKERBOCKER, RONALD E TN1997-03-05 → cancelled 2001-07-17
- Zacarias, Hugo S TX2012-01-06 → cancelled 2024-01-09