N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 15, 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)N4CKF HAM
✅ Available for a vanity request — free since Jun 16, 2025.
1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 Jun 16, 2025
Previous holder: Glenn R Thompson
Held N4CKF Jun 15, 1993 → Jun 15, 2023
· first licensed Jun 15, 1993 as N4CKF
· 1 license · FRN 0002619500
📖 In the printed callbooks since 1981 as N4CKF, before the FCC's online records
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- Licensee
- Glenn R Thompson
- Address
- 927 Wilder Chapel Ln
Maryville, TN 37804
- FRN
- 0002619500
- Last granted
- Apr 8, 2013
- Effective
- Apr 8, 2013
- Last action
- Jun 17, 2025
FCC actions (5)
- Jun 17, 2025 — License expired LIEXP
- Apr 8, 2013 — License renewed LIREN
- Dec 3, 2012 — Administrative update LIAUA
- Mar 18, 2003 — License renewed LIREN
- Apr 22, 2000 — License modified LIMOD
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 Apr 17, 2003 · 1 disc
N4CKF · Amateur Extra · issued Mar 18, 2003, expires Jun 15, 2013
GLENN R THOMPSON
5200 MCCAMPBELL HILL LN, KNOXVILLE, TN 37918 - Seen May 2, 2000 → Oct 25, 2002 · 6 discs
N4CKF · Amateur Extra · issued Apr 22, 2000, expires Jun 15, 2003
GLENN R. THOMPSON .
5200 MCCAMPBELL HILL LN, KNOXVILLE, TN 37918 - Seen Oct 8, 1999 · 1 disc
N4CKF · Advanced · issued Jul 13, 1999, expires Jun 15, 2003
GLENN R. THOMPSON .
5200 MCCAMPBELL HILL LN, KNOXVILLE, TN 37918 - Seen Sep 9, 1993 → Apr 7, 1999 · 11 discs
N4CKF · Advanced · issued Jun 15, 1993, expires Jun 15, 2003
GLENN R THOMPSON
5300 COMICE WAY, KNOXVILLE, TN 37918
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
N4CKF 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.
- 1994 → 1997 · 4 editions
N4CKF · class A
Glenn R Thompson
5300 Cornice Way, Knoxville, TN 37918
1994 p.531, 1995 p.593, 1996 p.585, 1997 p.600 - 1993 · 1 edition
N4CKF · class A
Glenn R Thompson
5921 Tallent Or, Knoxville, TN 37912
1993 p.504 - 1992 · 1 edition
N4CKF · class A
Glenn R Thompson
5911 Tallent Dr, Knoxville Tn Jj9!1 Knoxville, TN 37909
1992 p.473 - 1991 · 1 edition
N4CKF · class A
Glenn R Thompson
5911 Tallent Or, Knoxville, TN 37911
Winter 1991 p.454 - 1987 → 1990 · 2 editions
N4CKF · class A
Glenn R Thompson
5921 Tallent Dr, Knoxvillo, TN 37912
Winter 1987 p.416, Winter 1990 p.425 - 1984 → 1985 · 2 editions
N4CKF · class A
Glenn R Thompson
5911 Tallent Dr, Knoxville, TN 37911
Winter 1984 p.424, Winter 1985 p.419 - None → 1982 · 4 editions
N4CKF · class A
Glenn R Thompson
5921 Tallent Dr, Knoxville
None p.337, Winter 1980 p.387, 1981 p.320, Winter 1982 p.398
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for N4CKF in the last 24 hours. They show up here within seconds of N4CKF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.