Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4YLA callsign genealogy
Currently held by BLACKWOOD I, MICHAEL R
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 N4YLA's current licensee, walking backwards.
- CROSS, JOE ATNgranted 2014-08-14cancelled 2024-02-13
Successor callsigns
Callsigns held now by people who previously held N4YLA.
- BLACKWOOD I, MICHAEL RPAgranted 2010-01-08cancelled 2014-08-26
All historical holders
Every license row we've seen with the callsign N4YLA, oldest first.
- BLACKWOOD I, MICHAEL R VA2000-03-08 → cancelled 2000-03-09
- CROSS, JOE A TN2024-02-13 active