Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6HF callsign genealogy
Currently held by SONG, CHULL S
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 N6HF's current licensee, walking backwards.
- KI6TRIcancelledROWLAND HEIGHTS RADIO CLUBCAgranted 2008-10-21cancelled 2016-06-01
Successor callsigns
Callsigns held now by people who previously held N6HF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6HF, oldest first.
- SONG, CHULL S CA1997-09-30 → cancelled 2009-10-01
- BURDETT, ROBERT L CA2009-10-20 → cancelled 2016-03-22
- ROWLAND HEIGHTS RADIO CLUB CA2016-06-01 active