🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 20, 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)
K9YKN HAM
✅ Available for a vanity request — free since Nov 11, 1999.
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 Nov 11, 1999
Previous holder: ROBERT T CHAPKO
Held K9YKN Nov 10, 1987 → Nov 10, 1997
· first licensed Nov 10, 1987 as K9YKN
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1961 as K9YKN, before the FCC's online records
K9YKNExpiredGeneralNov 10, 1987 → Nov 10, 1997 (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 Sep 9, 1993 → Oct 8, 1999 · 12 discs K9YKN
· General · issued Nov 10, 1987, expires Nov 10, 1997
ROBERT T. CHAPKO
1701 N WILMOT 115, TUCSON, AZ 85712
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 K9YKN
ROBERT T CHAPKO
1701 N WILMOT 115, TUCSON, AZ 85712
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.
1990 → 1995 · 3 editions K9YKN · class G
Robert T Chapko 1701 N Wilmot 115, Tucson "1_ 85711 Winter 1990 p.1304, 1994 p.1697, 1995 p.1844
1987 · 1 edition K9YKN · class G
Robert T Chap O 1701 N Wilmot 115, Tucson, AZ 85712 Winter 1987 p.1236
1984 → 1986 · 3 editions K9YKN · class G
Robert T Chapko 1701 N Wilmot 115, Tucson, AZ 85712 Winter 1984 p.1216, Winter 1985 p.1219, Winter 1986 p.1217
1980 → 1983 · 3 editions K9YKN · class G
Robert T Chapko 5135 N 39th Ave Apt 179, Phoenix, AZ 85019 Winter 1980 p.1081, 1981 p.1019, Winter 1983 p.1170
1979 · 1 edition K9YKN · class G
Robert T Chapko 1626 Monroe Av, South Milwaukee, WI 53172 Winter 1979 p.512
1978 · 1 edition K9YKN · class G
Robert T Ch Hapko 1628 Monroe Av, South Milwaukee, WI 53172 Winter 1978 p.943
1977 · 1 edition K9YKN
G ~~~f~ Rli£~~~~· Lb28 Monroe Av , WI Winter 1977 p.682
1976 · 1 edition K9YKN · class G
Robert T Chapko 1628 Monroe Av Winter 1976 p.629
1975 · 1 edition K9YKN
G ~~~f~m~~~~k ~' 1&28 Monroe Av Winter 1975 p.618
1974 · 1 edition K9YKN
G =ii:~=· 1&28 Monroe Av . M12 Winter 1974 p.624
1974 · 1 edition K9YKN · class G
Robert T Cha Ko 1628 Monroe ‘ay 1974 p.593
1973 · 1 edition K9YKN · class G
Robert T Chapko 1628 Monroe A V Winter 1973 p.625
1972 · 1 edition K9YKN
G ~~~i~j !, ~~k:~, 1628 Monroe Av Winter 1972 p.625
1971 · 1 edition K9YKN · class G
Robert T Chapko 1628 Monroe Av Fall 1971 p.620
1971 · 1 edition K9YKN
G ~~~fr~1 ~~~~~· 1628 Monroe Av Winter 1971 p.619
1969 · 1 edition K9YKN · class G
Robert Summer 1969 p.600
1961 → 1968 · 7 editions K9YKN · class G
Robert T. Chapko 1628 Monroe Av. Spring 1961 p.542, Fall 1961 p.569, Summer 1963 p.574, Summer 1965 p.551, Spring 1966 p.554, Fall 1967 p.603, Spring 1968 p.617
1960 · 1 edition K9YKN
Robert T . Chapk01 1628 Monroe Av Winter 1960 p.541
None · 1 edition K9YKN · class G
Robert T Chapko 5135 N 39th Ave Apt 179, Phoenix, AZ 85019 None p.1090
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for K9YKN in the last 24 hours. They show up here within seconds of K9YKN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.