Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1FU callsign genealogy
Currently held by TBDBS WIRELESS ASSOCIATION
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 N1FU's current licensee, walking backwards.
- Blue, RandyMAgranted 2000-11-14cancelled 2008-06-03
Successor callsigns
Callsigns held now by people who previously held N1FU.
- NR1IactiveTBDBS WIRELESS ASSOCIATIONMAgranted 2016-03-18
All historical holders
Every license row we've seen with the callsign N1FU, oldest first.
- TBDBS WIRELESS ASSOCIATION MA1998-11-06 → cancelled 2006-03-31
- BLUE, RANDY MA2018-05-04 active