🕒 FCC license data updated yesterday 7:16 am CDT (FCC files through Oct 22, 2026) · next update today 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)
KB9DNV HAM
✅ Available for a vanity request — free since Oct 3, 2012.
2x3 call: any licensee can request it.
No pending applications list it.
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 Oct 31, 2000 → Apr 17, 2003 · 6 discs KB9DNV
· General · issued Sep 9, 2000, expires Oct 2, 2010
MAX J. ROSENBAUM .
3488 KELLIHER RD, MOUNT HOREB, WI 53572
Seen Sep 9, 1993 → May 2, 2000 · 13 discs KB9DNV
· General · issued Oct 2, 1990, expires Oct 2, 2000
MAX J. ROSENBAUM
3488 KELLIHER RD, MOUNT HOREB, WI 53572
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 18, 2026 · 50 snapshots · as KB9DNV
MAX J ROSENBAUM
3488 KELLIHER RD, MOUNT HOREB, WI 53572
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.
1997 · 1 edition KB9DNV · class G
Max J Rosenbaum 34bb Kellfuer Rd, Mount Horeb, WI 53572 1997 p.1858
1994 → 1996 · 3 editions KB9DNV · class G
Max J Rosenbaum 3488 Kelliher Rd, Mount Horeb, WI 53572 1994 p.1594, 1995 p.1734, 1996 p.1790
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KB9DNV in the last 24 hours. They show up here within seconds of KB9DNV beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.