🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 27, 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)
N3NDK HAM
✅ Available for a vanity request — free since Aug 5, 2004.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Last requested Jul 13, 2020 as choice 2:
not granted, that applicant got N8NDK instead.
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 Sep 9, 1993 → Apr 17, 2003 · 19 discs N3NDK
· General · issued Aug 4, 1992, expires Aug 4, 2002
DAVID E. OLSON
2913 VANDEVER ST, BROOKEVILLE, MD 20833
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 25, 2026 · 51 snapshots · as N3NDK
DAVID E OLSON
2913 VANDEVER ST, BROOKEVILLE, MD 20833
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.
1996 → 1997 · 2 editions N3NDK · class G
David E Olson 1913 Vandever St, Brookeville, MD 20833 1996 p.499, 1997 p.510
No APRS positions, PSK Reporter reports or WSPR spots for N3NDK in the last 24 hours. They show up here within seconds of N3NDK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.