🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 21, 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)
N3TNB HAM
✅ Available for a vanity request — free since Oct 14, 2026.
1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 May 12, 1995 → Apr 17, 2003 · 16 discs N3TNB
· Technician Plus · issued Jan 31, 1995, expires Oct 13, 2004
DAVID L. GUDIS
4221 CREST HEIGHTS RD, BALTIMORE, MD 21215
Seen Oct 31, 1994 · 1 disc N3TNB
· Technician · issued Oct 13, 1994, expires Oct 13, 2004
DAVID C GUDIS
4221 CREST HEIGHTS RD, BALTIMORE, MD 21215
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 N3TNB
DAVID L GUDIS
115 WARREN AVENUE, ROCHESTER, NY 14618
No APRS positions, PSK Reporter reports or WSPR spots for N3TNB in the last 24 hours. They show up here within seconds of N3TNB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.