🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KN4SEF HAM
General classlicensed since 2019 (7 yrs)KN4SEF since 2020 · previously K3RAKAiken, SCLoTW user
🔒 Not available — currently licensed, through Feb 4, 2030. If it isn't renewed, it opens for vanity requests Feb 5, 2032.
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as KN4SEF
ROY A KING
PO Box 5703 AIKEN, SC 29804
Seen Apr 16, 2022 → Sep 27, 2026 · 24 snapshots · as K3RAK
ROY A KING
PO Box 5703 PO BOX 5703, AIKEN, SC 29804
Seen May 6, 2019 · 1 snapshot · as KN4SEF
Roy A King
PO BOX 5703, Aiken, SC 29804
Vanity applications filed by KN4SEF
Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.
No APRS positions, PSK Reporter reports or WSPR spots for KN4SEF in the last 24 hours. They show up here within seconds of KN4SEF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.