🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 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)
KD6MRZ HAM
✅ Available for a vanity request — free since Mar 19, 2025.
2x3 call: any licensee can request it.
No pending applications list it.
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 KD6MRZ
· Technician · issued Mar 18, 2003, expires Mar 18, 2013
STEVEN CASTELLANOS
8119 CALMOSA AVE, WHITTIER, CA 90602
Seen Oct 31, 1994 → Oct 25, 2002 · 16 discs KD6MRZ
· Technician Plus · issued Feb 23, 1993, expires Feb 23, 2003
STEVEN CASTELLANOS
8119 CALMOSA AVE, WHITTIER, CA 90602
Seen Sep 9, 1993 → May 3, 1994 · 2 discs KD6MRZ
· Technician · issued Feb 23, 1993, expires Feb 23, 2003
STEVEN CASTELLANOS
8119 CALMOSA AVE, WHITTIER, CA 90602
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KD6MRZ
STEVEN CASTELLANOS
8119 CALMOSA AVE, WHITTIER, CA 90602
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.
1994 → 1996 · 2 editions KD6MRZ · class P
Steven Castellanos 8119 Calmosa Ave, Whittier, CA 90602 1994 p.1123, 1996 p.1260
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KD6MRZ in the last 24 hours. They show up here within seconds of KD6MRZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.