N9TPB
FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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, WIKE4STB
✅ Available for a vanity request — free since Dec 19, 2009.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Dec 19, 2009
Previous holder: DONALD J IMHOFF
Held KE4STB Jan 23, 2004 → Dec 18, 2007 · first licensed Nov 15, 1994 as KE4STB · 5 licenses · FRN 0004705935
-
📦 Moved: Euless, TX → Arcadia, OK
- Licensee
- DONALD J IMHOFF
- Address
- 8701 CHERRY BLOSSOM RD
ARCADIA, OK 73007-7540
- FRN
- 0004705935
- Previous call
- K4FMZ (Technician)
- Last granted
- Apr 4, 2026
- Effective
- May 4, 2026
- Last action
- May 4, 2026
FCC actions (7)
- May 4, 2026 — FCC action LIAUA
- Apr 4, 2026 — License renewed LIREN
- May 5, 2021 — FCC action LIAUA
- Mar 12, 2021 — FCC action LIAUA
- Jan 11, 2018 — FCC action LIAUA
- Mar 11, 2016 — Vanity call sign granted VANGRT
- Mar 11, 2016 — License issued LIISS
-
📦 Moved: Palm Beach Gardens, FL → Euless, TX
- Licensee
- Donald J Imhoff
- Address
- 1100 Marshall Drive
Euless, TX 76039
- FRN
- 0004705935
- Previous call
- KE4STB (Technician)
- Last granted
- Dec 18, 2007
- Effective
- Feb 19, 2016
- Last action
- Mar 11, 2016
FCC actions (8)
- Mar 11, 2016 — License canceled LICAN
- Feb 19, 2016 — FCC action LIAUA
- Nov 4, 2014 — FCC action LIAUA
- Jan 23, 2013 — FCC action LIAUA
- Jul 2, 2009 — License modified LIMOD
- Jun 24, 2008 — FCC action LIAUA
- Dec 18, 2007 — Vanity call sign granted VANGRT
- Dec 18, 2007 — License issued LIISS
-
📦 Moved: Paducah, KY → Palm Beach Gardens, FL
- Licensee
- Donald J Imhoff
- Address
- 2000 Portofino Circle, Apt. 109
Palm Beach Gardens, FL 33418
- FRN
- 0004705935
- Previous call
- W4FFG
- Last granted
- Jan 23, 2004
- Effective
- Jul 11, 2007
- Last action
- Dec 18, 2007
FCC actions (6)
- Dec 18, 2007 — License canceled LICAN
- Jul 11, 2007 — FCC action LIAUA
- Jul 25, 2006 — FCC action LIAUA
- Nov 3, 2005 — FCC action LIAUA
- Jan 23, 2004 — Vanity call sign granted VANGRT
- Jan 23, 2004 — License issued LIISS
-
- Licensee
- DONALD J IMHOFF
- Address
- 221 Calvert Drive
Paducah, KY 42003
- FRN
- 0004705935
- Previous call
- KE4STB
- Last granted
- Jun 20, 2003
- Effective
- Jun 20, 2003
- Last action
- Jan 23, 2004
FCC actions (3)
- Jan 23, 2004 — License canceled LICAN
- Jun 20, 2003 — Vanity call sign granted VANGRT
- Jun 20, 2003 — License issued LIISS
-
- Licensee
- DONALD J IMHOFF
- Address
- 221 Calvert Drive
PADUCAH, KY 42003
- FRN
- 0004705935
- Last granted
- Nov 15, 1994
- Effective
- Jun 12, 2003
- Last action
- Jun 20, 2003
FCC actions (2)
- Jun 20, 2003 — License canceled LICAN
- Jun 12, 2003 — FCC action LIAUA
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Sep 27, 2026 · 1 snapshot · as W5DON
DONALD J IMHOFF
8701 CHERRY BLOSSOM RD, ARCADIA, OK 73007-7540 - Seen Feb 26, 2016 → Sep 27, 2026 · 37 snapshots · as K4FMZ
Donald J Imhoff
1100 Marshall Drive, Euless, TX 76039 - Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as KE4STB
Donald J Imhoff
2000 Portofino Circle, Apt. 109, Palm Beach Gardens, FL 33418 - Seen Nov 7, 2004 → Sep 27, 2026 · 95 snapshots · as KE4STB
DONALD J IMHOFF
221 Calvert Drive, PADUCAH, KY 42003 - Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as W5DON
Donald J Imhoff
8701 Cherry Blossom Road, Arcadia, OK 73007 - Seen May 7, 2018 → May 6, 2019 · 4 snapshots · as W5DON
Donald J Imhoff
900 Dove Trail, Euless, TX 76039 - Seen Mar 28, 2015 → Feb 16, 2016 · 8 snapshots · as K4FMZ
Donald J Imhoff
200 W. 15th Street, Apt. 108, Edmond, OK 73013 - Seen Feb 18, 2013 → May 22, 2014 · 6 snapshots · as K4FMZ
Donald J Imhoff
615 S. Quincy Street, Clinton, IL 61727 - Seen May 27, 2010 → Jul 26, 2012 · 5 snapshots · as K4FMZ
Donald J Imhoff
1541 Clapton Drive, Deland, FL 32720
Others requesting KE4STB
1 application listed KE4STB as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Jan 5, 2004 | Jan 23, 2004 | W4FFG · Donald J Imhoff · Paducah, KY | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KE4STB in the last 24 hours. They show up here within seconds of KE4STB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.