🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 21, 2026) · next update today 7:15 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)
N9ISH HAM
✅ Available for a vanity request — free since Jan 19, 2006.
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 3, 1994 → Apr 17, 2003 · 18 discs N9ISH
· General · issued Jan 18, 1994, expires Jan 18, 2004
DAVID R. DAHLSON
6470 S TWIN MAPLE CT, FRANKLIN, WI 53132
Seen Sep 9, 1993 · 1 disc N9ISH
· General · issued Feb 27, 1990, expires Feb 27, 2000
DAVID R DAHLSON
8332 W LAYTON AVE, GREENFIELD, WI 53220
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 N9ISH
DAVID R DAHLSON
6470 S TWIN MAPLE CT, FRANKLIN, WI 53132
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 · 1 edition N9ISH · class G
David R Dah~on 6470 S Twin Maple Ct, Franklin, WI 53131 1996 p.1823
1990 → 1995 · 2 editions N9ISH · class G
David R Dahlson 8331 W Layton Ave, Greenfield, WI 53220 Winter 1990 p.1255, 1995 p.1767
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for N9ISH in the last 24 hours. They show up here within seconds of N9ISH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.