🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 26, 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)
W9EFN HAM
✅ Available for a vanity request — free since May 23, 2019.
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 May 23, 2019
Previous holder: JOSEPH B KROLL
Held W9EFN Aug 11, 1987 → May 22, 2017
· first licensed Aug 11, 1987 as W9EFN
· 1 license · FRN 0016500779 📖 In the printed callbooks since 1948 as W9EFN, before the FCC's online records
W9EFNExpiredAdvancedAug 11, 1987 → May 22, 2017 (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 Mar 9, 1998 → Apr 17, 2003 · 11 discs W9EFN
· Advanced · issued Apr 30, 1997, expires Apr 30, 2007
JOSEPH B. KROLL
1460 ASHLEY RD, HOFFMAN ESTATES, IL 60195
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs W9EFN
· Advanced · issued Aug 11, 1987, expires Aug 11, 1997
JOSEPH B KROLL
1460 ASHLEY RD, HOFFMAN ESTATES, IL 60195
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 W9EFN
JOSEPH B KROLL
300 Stoney Brook Ct, Algonquin, IL 60102
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 W9EFN · class A
Joseph B Krol\ 1460 As~y Rd Hoffman Estates Ll 60195 1996 p.1794, 1997 p.1861
1993 → 1995 · 2 editions W9EFN · class A
Joseph 8 Kroll 1460 Ashley Rd, Hoffman Estates, IL 60195 1993 p.1506, 1995 p.1738
1992 · 1 edition W9EFN · class A
Joseph B Krol' 1460 Ashley Rd Hoffman 1992 p.1388
1988 → 1991 · 2 editions W9EFN · class A
Joseph B Kroll 1460 Ashley Rd, Hoffman Estates, IL 60195 Winter 1988 p.1192, Winter 1991 p.1335
1987 · 1 edition W9EFN · class A
Joseph B Kroll 14&0 Ash•y Rd, Hoffman Estates Il &0195 Winter 1987 p.1159
1986 · 1 edition W9EFN · class A
Joseph B Kroll !4b0 Ashley Rd, Hoffman Estates Il B0!95 Winter 1986 p.1141
1985 · 1 edition W9EFN · class A
Joseph B Kroll 14b0 Ashley Rd, Hoffman Estates Il B0!95 Winter 1985 p.1145
1984 · 1 edition W9EFN · class A
Joseph B Kroll I 460 Ashley Rd, Hoffman Estates Il B0!95 Winter 1984 p.1144
1983 · 1 edition W9EFN · class A
Joseph B Kroll 1460 Ashley Rd, Hoffman Estates, IL 60195 Winter 1983 p.1099
1979 → 1982 · 4 editions W9EFN · class A
A ~h B Kroll 173 Ashley Rd, Hoffman Estates, IL 60195 Winter 1979 p.449, Winter 1980 p.1019, Winter 1981 p.1027, Winter 1982 p.1065
1978 · 1 edition W9EFN · class A
Joseph B Kroll 173 Ashley Rd, Hoffman Estates Il, 60195 Winter 1978 p.882
1972 → 1976 · 3 editions W9EFN · class A
Joseph B Kroll 173 Ashley Rd, Hoffman Ests 00172 Il Winter 1972 p.580, 1974 p.547, Winter 1976 p.583
1971 · 1 edition W9EFN · class A
Joseph B Kroll 1043 N Hayes Av, Oak Park &0302 Il Fall 1971 p.576
1969 · 1 edition W9EFN · class A
Joseph B K R O L L 1 0 4 3 N Hayes Av, Oak Park Summer 1969 p.559
1965 → 1966 · 2 editions W9EFN
Joseph B. Kroll 947 Hayes Av, Oak Park Ill Summer 1965 p.513, Spring 1966 p.515
1963 · 1 edition W9EFN
Joseph B. Kroll1 947 Hayes Av Oak Park Ill Summer 1963 p.536
1961 · 1 edition W9EFN
Joseph B. Kroll 4035 Newport Av. Chicago 41 Ill Spring 1961 p.505
1960 · 1 edition W9EFN
Joseph B. Krol.l 4035 Newport Av, Chicago 41 Ill Winter 1960 p.503
1957 → 1959 · 3 editions W9EFN
Joseph B. Krou 4035 Newport Avenue, Chicago 41, 111. Fall 1957 p.409, Summer 1958 p.422, Spring 1959 p.435
1956 · 1 edition W9EFN
Joseph B. Kroll 4035 Newport Avenue, Chicago, IL Spring 1956 p.341
1955 · 1 edition W9EFN
Joseph B. K R O L L 4035 Newport Avenue, Chicago, 111. Fall 1955 p.343
1948 → 1954 · 8 editions W9EFN
Joseph B. Kroll 4035 Newport Ave., Chicago, HI Fall 1948 p.206, Summer 1949 p.198, Summer 1950 p.203, Spring 1951 p.238, Fall 1952 p.266, Fall 1953 p.275, Spring 1954 p.286, Fall 1954 p.289
1937 → 1938 · 3 editions W9EFN
George R. Moir 618 S, 11 St., Fargo, ND Fall 1937 p.124, Winter 1938 p.160, Spring 1938 p.151
1934 · 1 edition W9EFN
George R. Molr 618 8, 11 St., Fargo, ND Fall 1934 p.162
1932 · 1 edition W9EFN
George R. Moir 618 S, 11 St., Fargo, ND Fall 1932 p.146
None · 1 edition W9EFN · class A
Joseph B Kroll 1460 Ashley Rd, Hoffman Estates None p.1019
None · 1 edition W9EFN · class A
Soren B Kroll 173 Ashley Rd, Hoffman Ests 60172 Il None p.547
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W9EFN in the last 24 hours. They show up here within seconds of W9EFN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.