🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 12, 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)
K3NCR HAM
✅ Available for a vanity request — free since Mar 10, 2025.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Last requested Sep 15, 2026 as choice 1:
application dismissed.
Not currently held
· 1 holder on record
· available since Mar 10, 2025
Previous holder: CHARLES W MARENKA JR
Held K3NCR Mar 9, 1993 → Mar 9, 2023
· first licensed Mar 9, 1993 as K3NCR
· 1 license · FRN 0006637268 📖 In the printed callbooks since 1963 as K3NCR, before the FCC's online records
K3NCRExpiredAmateur ExtraMar 9, 1993 → Mar 9, 2023 (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 7, 1999 · 3 discs K3NCR
· Advanced · issued May 8, 1997, expires Mar 9, 2003
CHARLES W MARENKA JR
735 PATUXENT REACH DR, PRINCE FREDERICK, MD 20678
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs K3NCR
· Advanced · issued Mar 9, 1993, expires Mar 9, 2003
CHARLES W MARENKA JR
657 RUNNING FOX RD, LUSBY, MD 20657
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as K3NCR
CHARLES W MARENKA JR
735 PATUXENT REACH DR, PRINCE FREDERICK, MD 20678
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 17, 2003 · 1 disc K3NCR
· Advanced · issued Dec 30, 2002, expires Mar 9, 2013
CHARLES W MARENKA; JR
735 PATUXENT REACH DR, PRINCE FREDERICK, MD 20678
K3NCR in the Printed Callbooks, 1909–1997
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.
1988 → 1990 · 2 editions K3NCR · class A
Charles W Marenka Jr 7503 Montevideo Ct, Jessup, MO 20794 Winter 1988 p.370, Winter 1990 p.370
1986 · 1 edition K3NCR · class A
Charles W Marenka Jr 750j Montevideo Ct, Jessup, MO 20794 Winter 1986 p.367
1981 → 1985 · 5 editions K3NCR · class A
Charles W Marenka Jr 7503 Montevideo Ct, Jessup, MD 20794 1981 p.271, Winter 1982 p.348, Winter 1983 p.359, Winter 1984 p.372, Winter 1985 p.370
1979 → 1980 · 2 editions K3NCR · class A
Charles W Marenka Jr 3386 Wye Mills S, Laurel, MD 20810 Winter 1979 p.323, Winter 1980 p.337
1976 · 1 edition K3NCR · class A
Charles W Marenka J R 3386 Wye Mills S Winter 1976 p.199
1971 → 1975 · 4 editions K3NCR · class G
Charles W Marenk:a Jr 4824 Woodlawn Dr Fall 1971 p.202, Winter 1972 p.202, 1974 p.175, Winter 1975 p.196
1969 · 1 edition K3NCR · class G
Charles W Marenka J R 4824 Wcodlawn D R Summer 1969 p.210
1968 · 1 edition K3NCR · class G
Charles .w. Marenka Jr _4824 Wooola'\llln Or, - Summer 1968 p.214
1967 · 1 edition K3NCR · class G
Charles Marenka 4824 Woodlawn Or., Hyattsville Md Fall 1967 p.209
1966 · 1 edition K3NCR
Charles Marenka 9 4b24 Woodlawn Dr.hyattsville Spring 1966 p.192
1965 · 1 edition K3NCR
Charles Maaenka1.824 Woodlawn Or Hyattsv.ille Mo Summer 1965 p.193
1963 · 1 edition K3NCR
Charles Marenka 4824 Woodlawn Dr, Hyattsvjlle Mo Summer 1963 p.200
None · 1 edition K3NCR · class A
G Rece! W Marenka Jr 7503 Montevideo Ct, Jessup None p.175
Others Requesting K3NCR
1 application listed K3NCR as a choice, newest first.
No APRS positions, PSK Reporter reports or WSPR spots for K3NCR in the last 24 hours. They show up here within seconds of K3NCR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.