N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 6, 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, WIKC4KOO HAM
✅ Available for a vanity request — free since Dec 24, 2015.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Dec 24, 2015
Previous holder: ROBERT A RUDISH
Held KC4KOO Oct 5, 1993 → Dec 23, 2013
· first licensed Oct 5, 1993 as KC4KOO
· 1 license · FRN 0010054799
📖 In the printed callbooks since 1990 as KC4KOO, before the FCC's online records
-
- Licensee
- ROBERT A RUDISH
- Address
- 6656 Roberts Court Apt. 93
GLEN BURNIE, MD 21061
- FRN
- 0010054799
- Last granted
- Dec 23, 2003
- Effective
- Dec 30, 2003
- Last action
- Dec 24, 2015
FCC actions (2)
- Dec 24, 2015 — License expired LIEXP
- Dec 30, 2003 — Administrative update LIAUA
Callbook Records, 1993–2003
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
KC4KOO · Technician Plus · issued Aug 18, 1997, expires Oct 5, 2003
ROBERT A. RUDISH
6660 SHELLY RD APT 56, GLEN BURNIE, MD 21061 - Seen Oct 27, 1996 → Apr 4, 1997 · 2 discs
KC4KOO · Technician Plus · issued Dec 11, 1995, expires Oct 5, 2003
ROBERT A RUDISH
889 ISLAND RD, HARKERS ISLANDS, NC 28513 - Seen Apr 21, 1996 · 1 disc
KC4KOO · Technician Plus · issued Dec 11, 1995, expires Oct 5, 2003
ROBERT A RUDISH
PO BOX 352, HARKERS ISLANDS, NC 28513 - Seen Sep 9, 1993 → Oct 26, 1995 · 5 discs
KC4KOO · Technician · issued Oct 5, 1993, expires Oct 5, 2003
ROBERT A RUDISH
POB 475 706 ACHESON AVE, NORTH APOLLO, PA 15673
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 KC4KOO
ROBERT A RUDISH
6656 Roberts Court Apt. 93, GLEN BURNIE, MD 21061
KC4KOO 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.
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KC4KOO in the last 24 hours. They show up here within seconds of KC4KOO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.