🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 11, 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)
N6CUM HAM
✅ Available for a vanity request — free since Jun 16, 2007.
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 16, 2007
Previous holder: TIM J RATZLAFF
Held N6CUM Jun 7, 1985 → Jun 15, 2005
· first licensed Jun 7, 1985 as N6CUM
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1981 as N6CUM, before the FCC's online records
N6CUMExpiredGeneralJun 7, 1985 → Jun 15, 2005 (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 Oct 26, 1995 → Apr 17, 2003 · 15 discs N6CUM
· General · issued Jun 15, 1995, expires Jun 15, 2005
TIM J. RATZLAFF
7103 CERRITOS AVE, STANTON, CA 90680
Seen Sep 9, 1993 → May 12, 1995 · 4 discs N6CUM
· General · issued Jun 7, 1985, expires Jun 7, 1995
TIM J RATZLAFF
4412 N CRYSTAL, FRESNO, CA 93705
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 N6CUM
TIM J RATZLAFF
7103 CERRITOS AVE, STANTON, CA 90680
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 → 1996 · 2 editions N6CUM · class G
Tim J Ratzlaff 44j2 N Crystal Fresno, CA 93705 1995 p.1120, 1996 p.1138
1987 · 1 edition N6CUM · class G
Tim J Ratz~ff 4411 N Cr~tal, Fresno, CA 93705 Winter 1987 p.757
1985 · 1 edition N6CUM · class G
· later N6KAU
Tim J Ratzlaff 4412 N Crutal, Fresno, CA 93705 Winter 1985 p.747
1983 · 1 edition N6CUM · class G
Ronald G Kelso 107 Keehner Av, Roseville, CA 95678 Winter 1983 p.717
1981 → 1982 · 2 editions N6CUM · class G
Tim J Ratzlaff 4412 N. Crystal, Fresno ~, CA 93705 Winter 1981 p.677, Winter 1982 p.698
1981 · 1 edition N6CUM · class T
Ronnie L Sprague 4767 W 13l1st St, Hawthorne, CA 90250 1981 p.603
None · 1 edition N6CUM · class T
Ronnie L Sprague 4767 W 131st St, Hawthorne None p.637
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for N6CUM in the last 24 hours. They show up here within seconds of N6CUM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.