N9TPB FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 16, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

KO4BR HAM

⏳ Not available yet — opens for vanity requests Jun 20, 2028, two years after the license was canceled (Jun 19, 2026).
2x2 call: Advanced and Amateur Extra licensees can request it. 1 pending application already lists it (first filed Oct 1, 2026) — see requests.

📬 QSL: LoTW user · last upload Jun 2, 2026 · not eQSL AG · QRZ · HamQTH

Not currently held · 2 holders on record

Previous holder: Buck R Kruszewski SR

Held KO4BR Jan 25, 2025 → Jun 19, 2026 · first licensed Feb 14, 2022 as KO4WSL · 3 licenses · FRN 0031924004

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Previous holder: MARTIN DIGGINS III

Held KO4BR May 14, 1991 → Dec 5, 2003 · first licensed May 14, 1991 as KO4BR · 2 licenses · FRN 0005126008
📖 In the printed callbooks since 1983 as N4GIQ, before the FCC's online records

Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Earlier Holders

KO4BR in the 1993–2003 Callbooks
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
KO4BR in the Printed Callbooks, 1909–1997
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

Others Requesting KO4BR

3 applications listed KO4BR as a choice, newest first.

FiledAwardApplicantChoice #KO4BRResult
Oct 1, 2026 Oct 19, 2026 (on or after) KN4H · Buck R Kruszewski SR · Eight Mile, AL 1Pending Pending
Jan 7, 2025 Jan 25, 2025 KO4WSL · Buck R Kruszewski SR · Eight Mile, AL 4Granted Granted this call
Jan 31, 2022 Feb 18, 2022 KO4WCO · Brian P Shields · Richmond, VA 2Dismissed Application dismissed

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for KO4BR in the last 24 hours. They show up here within seconds of KO4BR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.