🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 30, 2026) · next update tomorrow 6:00 am CST
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)
N3GSK HAM
✅ Available for a vanity request — free since Jul 24, 2017.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Last requested May 22, 2015 as choice 1:
application dismissed.
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 31, 1994 → Oct 31, 2000 · 12 discs N3GSK
· Technician Plus · issued Dec 27, 1988, expires Dec 27, 1998
PHILIP F. GRIMM
PSC 1 BOX 784, ANDREWS AFB, MD 20331
Seen Sep 9, 1993 → May 3, 1994 · 2 discs N3GSK
· Technician · issued Dec 27, 1988, expires Dec 27, 1998
PHILIP F GRIMM
PSC 1 BOX 784, ANDREWS AFB, MD 20331
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Oct 25, 2026 · 100 snapshots · as KC9HWB
Philip F Grimm
914 Glen Flora - 206, Waukegan, IL 60085
Held N3GSK Dec 27, 1988 → Dec 27, 1998
· first licensed Dec 27, 1988 as N3GSK
· 1 license · no FRN on file (pre-2001 records)
N3GSKExpiredTechnician PlusDec 27, 1988 → Dec 27, 1998 (expired)
Licensee
PHILIP F GRIMM
Address
PSC 1 BOX 784 ANDREWS AFB, MD 20331
Last granted
Dec 27, 1988
Effective
Dec 27, 1988
Last action
Dec 28, 2000
FCC actions (1)
Dec 28, 2000 — License expired LIEXP
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 Oct 31, 1994 → Oct 31, 2000 · 12 discs N3GSK
· Technician Plus · issued Dec 27, 1988, expires Dec 27, 1998
PHILIP F. GRIMM
PSC 1 BOX 784, ANDREWS AFB, MD 20331
Seen Sep 9, 1993 → May 3, 1994 · 2 discs N3GSK
· Technician · issued Dec 27, 1988, expires Dec 27, 1998
PHILIP F GRIMM
PSC 1 BOX 784, ANDREWS AFB, MD 20331
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 25, 2026 · 51 snapshots · as N3GSK
PHILIP F GRIMM
PSC 1 BOX 784, ANDREWS AFB, MD 20331
N3GSK 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.
1991 → 1994 · 2 editions N3GSK · class T
Philip F Grimm Psc 1 Box 784, Andrews Afb, MD 20331 Winter 1991 p.371, 1994 p.427
1990 · 1 edition N3GSK · class T
Philip F Grimm Psc I Box 784, Andrews Afb, MO 20331 Winter 1990 p.348
Others Requesting N3GSK
2 applications listed N3GSK as a choice, newest first.
No APRS positions, PSK Reporter reports or WSPR spots for N3GSK in the last 24 hours. They show up here within seconds of N3GSK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.