Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NF3R callsign genealogy
Currently held by Pasadena Contest Club
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 NF3R's current licensee, walking backwards.
- Rubincam, Joel RPAgranted 2007-04-26cancelled 2016-12-02
Successor callsigns
Callsigns held now by people who previously held NF3R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NF3R, oldest first.
- Pasadena Contest Club MD2004-11-13 → cancelled 2016-11-15
- Rubincam, Joel R PA2016-12-02 active