🕒 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)
N9DYZ HAM
✅ Available for a vanity request — free since Dec 8, 2019.
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 Mar 9, 1998 → Apr 17, 2003 · 11 discs N9DYZ
· Technician Plus · issued Nov 4, 1997, expires Nov 4, 2007
RONALD C. RANDOLPH
1136 FULTON AVE, WINTHROP HARBOR, IL 60096
Seen Oct 31, 1994 → Apr 4, 1997 · 6 discs N9DYZ
· Technician Plus · issued Feb 16, 1988, expires Feb 16, 1998
RONALD C RANDOLPH
1136 FULTON AVE, WINTHROP HARBOR, IL 60096
Seen Sep 9, 1993 → May 3, 1994 · 2 discs N9DYZ
· Technician · issued Feb 16, 1988, expires Feb 16, 1998
RONALD C RANDOLPH
1136 FULTON AVE, WINTHROP HARBOR, IL 60096
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 N9DYZ
RONALD C RANDOLPH
Attn: Ron Randolph 1136 FULTON AVE, WINTHROP HARBOR, IL 60096
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.
1985 → 1997 · 8 editions N9DYZ · class T
Ronald C Randolp 1136 Fulton Ave, Inthro~ Harbor Il 600% Winter 1985 p.1143, Winter 1986 p.1140, Winter 1987 p.1158, Winter 1988 p.1190, Winter 1990 p.1230, 1994 p.1596, 1995 p.1737, 1997 p.1860
1984 · 1 edition N9DYZ · class T
Ronald C Randolp Lljb Fulton Ave, Winthrop Harbor, IL 60096 Winter 1984 p.1142
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for N9DYZ in the last 24 hours. They show up here within seconds of N9DYZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.