🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 26, 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)
W9GDP HAM
✅ Available for a vanity request — free since Feb 1, 2018.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Feb 1, 2018
Previous holder: Neil R Ritzow
Held W9GDP Apr 29, 1986 → Jan 31, 2016
· first licensed Apr 29, 1986 as W9GDP
· 1 license · FRN 0014242101 📖 In the printed callbooks since 1940 as W9GDP, before the FCC's online records
W9GDPExpiredAdvancedApr 29, 1986 → Jan 31, 2016 (expired)
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 Apr 21, 1996 → Apr 17, 2003 · 14 discs W9GDP
· Advanced · issued Jan 31, 1996, expires Jan 31, 2006
NEIL R. RITZOW
2415 N BROOKFIELD RD, BROOKFIELD, WI 53005
Seen Sep 9, 1993 → Oct 26, 1995 · 5 discs W9GDP
· Advanced · issued Apr 29, 1986, expires Apr 29, 1996
NEIL R RITZOW
2415 N BROOKFIELD RD, BROOKFIELD, WI 53005
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Oct 25, 2026 · 50 snapshots · as W9GDP
Neil R Ritzow
2415 N Brookfield Rd, Brookfield, WI 53045-4131
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.
1995 · 1 edition W9GDP · class A
Neil R Ritzow 1415 N Brookfield Rd, Brook, WI 53005 1995 p.1751
1992 · 1 edition W9GDP · class A
Neil R Winter 1992 p.1402
1987 → 1991 · 3 editions W9GDP · class A
Neil R Ritzow 2415 N Brookfi<Ld Rd, Brookfield, WI 51005 Winter 1987 p.1170, Winter 1990 p.1241, Winter 1991 p.1347
1985 · 1 edition W9GDP · class A
Neil R Ritzow 1415 N Brook Ield Rd, Brookfield, WI 53005 Winter 1985 p.1155
1965 → 1983 · 13 editions W9GDP · class A
Neil R. Ritzow 2415 N Brookfield Ra, Rookfield Wi, 53005 Summer 1965 p.518, Summer 1969 p.563, Spring 1970 p.577, Winter 1971 p.582, Winter 1973 p.585, 1974 p.553, Winter 1975 p.578, Winter 1976 p.588, Winter 1978 p.890, Winter 1979 p.966, 1981 p.964, Winter 1982 p.1075, Winter 1983 p.1109
1964 · 1 edition W9GDP · class N
E I L R . R I T Z O W * 2 4 1 5 N. B R O O K F I E L D R D Fall 1964 p.506
1961 → 1962 · 3 editions W9GDP
Neil R. Ritzow 2415 N, Brookfield Rd Spring 1961 p.508, Fall 1961 p.535, Fall 1962 p.520
1960 · 1 edition W9GDP
Neil R Ritzow, 2415 N. Brookfield Rd1 Winter 1960 p.506
1959 · 1 edition W9GDP
Neu R. Ritzow 2415 N. Brookfield Rd., Brookfield, WI Spring 1959 p.438
1957 · 1 edition W9GDP
Neil R . Ritzow 2415 North B R O O K F I E L D R D ., B R O O K F I E L D, W I S . Fall 1957 p.413
1952 → 1956 · 6 editions W9GDP
Neil R. Ritzow Rfd 5, Box 351, Waukesha, WI Fall 1952 p.268, Fall 1953 p.277, Spring 1954 p.288, Fall 1954 p.292, Fall 1955 p.346, Spring 1956 p.343
1948 → 1949 · 2 editions W9GDP
Neu R. Ritzow Rfd 5, Brookfield, WI Fall 1948 p.207, Summer 1949 p.200
1940 · 1 edition W9GDP
N. R. Ritzow 2640 N, 40 St.. Milwaukee. Wis. Spring 1940 p.178
1935 · 1 edition W9GDP
M. J. Schnmacher Oom!ea, NE Spring 1935 p.188
1933 · 1 edition W9GDP
M . J. Schumacher Cornlea. Nebr. Spring 1933 p.133
None · 1 edition W9GDP · class A
Neil R Rizow 2415 N Brookfield Rd, Brookfield None p.553
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W9GDP in the last 24 hours. They show up here within seconds of W9GDP beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.