🕒 FCC license data updated today 7:16 am CDT (FCC files through Oct 7, 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)
K2CON HAM
✅ Available for a vanity request — free since Jun 11, 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 Jun 11, 2019
Previous holder: Mark J Grossman
Held K2CON Sep 29, 1987 → Jun 10, 2017
· first licensed Sep 29, 1987 as K2CON
· 1 license · FRN 0003585858 📖 In the printed callbooks since 1954 as K2CON, before the FCC's online records
K2CONExpiredGeneralSep 29, 1987 → Jun 10, 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 K2CON
· General · issued Jun 10, 1997, expires Jun 10, 2007
MARK J. GROSSMAN .
81 10 135 ST 508, JAMAICA, NY 11435
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs K2CON
· General · issued Sep 29, 1987, expires Sep 29, 1997
MARK J GROSSMAN
81-10 135 ST 508, JAMAICA, NY 11435
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as K2CON
Mark J Grossman
8110 135th St Apt 508, Jamaica, NY 11435
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.
1987 → 1997 · 3 editions K2CON · class G
Mark J Grossman 81-10 135th Street, Jamaica, NY 11435 Winter 1987 p.205, 1994 p.258, 1997 p.294
1985 → 1986 · 2 editions K2CON · class G
Mark J Grossman Bj-Jo 135 St, Jamaica, NY 11435 Winter 1985 p.202, Winter 1986 p.202
1981 → 1984 · 2 editions K2CON · class G
Mark J Grossman 81-10 135th St, Jamaica 1981 p.124, Winter 1984 p.206
1980 · 1 edition K2CON · class G
Mark J Grossman Bl-10 13sth St, Jamaica, NY 11435 Winter 1980 p.189
1972 → 1974 · 3 editions K2CON · class G
Mark J Grossman 81-10 135th St, Jamaica 11435 Ny Winter 1972 p.110, Winter 1973 p.110, 1974 p.84
1971 · 1 edition K2CON
G ~:r~~h8 Is~man, 81-10 135th St, Jamaica 11435 Ny Fall 1971 p.110
1970 → 1971 · 2 editions K2CON · class G
Mark J Grossman 81-10 135th St, Jamaica 11435 Ny Spring 1970 p.110, Winter 1971 p.109
1969 · 1 edition K2CON · class G
Mark J G R O S S M A N 8 1 - 1 0 1 3 5 T H S T, J A M A I C A 11435 Summer 1969 p.107
1964 → 1966 · 3 editions K2CON
Hugh C.matheson 6804 Narrows Av, Brooklyn 20 N Y Fall 1964 p.99, Summer 1965 p.100, Spring 1966 p.100
1961 → 1963 · 4 editions K2CON
Mark J. Grossman 1665 Monroe Av, New York 57 Spring 1961 p.103, Fall 1961 p.107, Fall 1962 p.105, Summer 1963 p.108
1959 · 1 edition K2CON
Hugh C.matheson» 6804 Narrows Av Brooklyn 20 N Y Spring 1959 p.94
1954 → 1958 · 6 editions K2CON
Mark J. Grossman 1665 Monroe Ave., New York 57, NY Spring 1954 p.77, Fall 1954 p.64, Fall 1955 p.86, Spring 1956 p.70, Fall 1957 p.111, Summer 1958 p.88
None · 1 edition K2CON · class G
Mark J Grossman 81-10 135th St, Jamaica 11435 None p.84
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for K2CON in the last 24 hours. They show up here within seconds of K2CON beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.