N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 12, 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)K9SFI HAM
✅ Available for a vanity request — free since Dec 19, 2008.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Dec 19, 2008
Previous holder: DUANE J BRUMMEL
Held K9SFI Dec 18, 1996 → Dec 18, 2006
· first licensed Feb 23, 1988 as NX9K
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1960 as K9SFI, before the FCC's online records
-
- Licensee
- DUANE J BRUMMEL
- Address
- 471 HILLCREST LN
BROOKLYN, WI 53521
- Previous call
- NX9K (Advanced)
- Last granted
- Dec 18, 1996
- Effective
- Dec 18, 1996
- Last action
- Dec 19, 2008
FCC actions (1)
- Dec 19, 2008 — License expired LIEXP
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.
- Seen Apr 4, 1997 → Apr 17, 2003 · 12 discs
K9SFI · Amateur Extra · issued Dec 18, 1996, expires Dec 18, 2006 · previously NX9K (Advanced)
DUANE J. BRUMMEL
471 HILLCREST LN, BROOKLYN, WI 53521 - Seen Sep 9, 1993 → Oct 27, 1996 · 7 discs
NX9K · Amateur Extra · issued Feb 23, 1988, expires Feb 23, 1998 · previously K9SFI (Advanced)
DUANE J BRUMMEL
471 HILLCREST LN, BROOKLYN, WI 53521
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as K9SFI
DUANE J BRUMMEL
471 HILLCREST LN, BROOKLYN, WI 53521
K9SFI 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.
- 1984 → 1988 · 3 editions
K9SFI · class A
Duane J Brummel
471 Hillcrest Ln, Brooklyn, WI 53511
Winter 1984 p.1202, Winter 1987 p.1216, Winter 1988 p.1247 - 1980 → 1983 · 2 editions
K9SFI · class A
Duane J Brummel
Rfd 2, Brooklyn, WI 53521
Winter 1980 p.1066, Winter 1983 p.1155 - 1979 · 1 edition
K9SFI · class A
Duane J Brummel. Rfo 2. Brooklyn
, WI 53521
Winter 1979 p.495 - 1972 → 1977 · 5 editions
K9SFI · class A
Duane J Brummel
Rfd 2, Brooklyn 53511 Wi
Winter 1972 p.616, Winter 1973 p.616, Winter 1975 p.610, Winter 1976 p.621, Winter 1977 p.667 - 1971 · 2 editions
K9SFI · class A
Duane J Brummel
271& Gregory St, Madison 53711 Wi
Winter 1971 p.609, Fall 1971 p.610 - 1966 · 1 edition
K9SFI
Du Ane J . Arumm ~l
1 34 Dempsey Rd . M.\dison Wisc
Spring 1966 p.547 - 1964 · 1 edition
K9SFI
D U A N E J. B R U M M E L . B O X 3 4 0 . P A L M Y R A
Fall 1964 p.530 - 1960 → 1962 · 3 editions
K9SFI
Duane J. Brummel
Rfd 2.box 97-A, Pardeeville Wis
Winter 1960 p.529, Spring 1961 p.531, Fall 1962 p.541 - None · 1 edition
K9SFI · class A
Duane J Brummel
Rfd 2, Brooklyn, WI 53521
None p.1075
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for K9SFI in the last 24 hours. They show up here within seconds of K9SFI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.