N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 6:00 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKO4ST HAM
✅ Available for a vanity request — free since Sep 19, 2023.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held · 2 holders on record · available since Sep 19, 2023
Previous holder: Stuart A Koch
Held KO4ST Apr 10, 2021 → Sep 18, 2021 · first licensed Nov 16, 2020 as KO4JJI · 3 licenses · FRN 0030181440
-
- Licensee
- Stuart A Koch
- Address
- 29463 Goose Point Ct
Port Royal, VA 22535
- FRN
- 0030181440
- Previous call
- KO4ST (General)
- Last granted
- Sep 18, 2021
- Effective
- Sep 18, 2021
- Last action
- Sep 18, 2021
FCC actions (2)
- Sep 18, 2021 — Vanity call sign granted VANGRT
- Sep 18, 2021 — License issued LIISS
-
- Licensee
- Stuart A Koch
- Address
- 29463 Goose Point Ct
Port Royal, VA 22535
- FRN
- 0030181440
- Previous call
- KO4JJI (General)
- Last granted
- Apr 10, 2021
- Effective
- Apr 10, 2021
- Last action
- Sep 18, 2021
FCC actions (3)
- Sep 18, 2021 — License canceled LICAN
- Apr 10, 2021 — Vanity call sign granted VANGRT
- Apr 10, 2021 — License issued LIISS
-
- Licensee
- Stuart A Koch
- Address
- 29463 Goose Point Ct
Port Royal, VA 22535
- FRN
- 0030181440
- Last granted
- Nov 16, 2020
- Effective
- Mar 22, 2021
- Last action
- Apr 10, 2021
FCC actions (5)
- Apr 10, 2021 — License canceled LICAN
- Mar 22, 2021 — License modified LIMOD
- Jan 25, 2021 — License modified LIMOD
- Nov 16, 2020 — License issued LIISS
- Nov 16, 2020 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Apr 16, 2022 → Sep 27, 2026 · 36 snapshots · as KO4JJI
Stuart A Koch
29463 Goose Point Ct, Port Royal, VA 22535
Previous holder: PETER DE LA ROSA
Held KO4ST Nov 28, 2001 → Feb 25, 2012 · first licensed Nov 28, 2001 as KO4ST · 1 license · FRN 0005343314
-
- Licensee
- PETER DE LA ROSA
- Address
- 17000 S. W. 170th Avenue
MIAMI, FL 33187
- FRN
- 0005343314
- Previous call
- KC4LFV (General)
- Last granted
- Nov 28, 2001
- Effective
- Jan 8, 2005
- Last action
- Feb 26, 2014
FCC actions (5)
- Feb 26, 2014 — License expired LIEXP
- Jan 8, 2005 — Administrative update LIAUA
- Nov 28, 2001 — License renewed LIREN
- Nov 28, 2001 — FCC action LITIN
- Nov 28, 2001 — FCC action LITIN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Others requesting KO4ST
4 applications listed KO4ST as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Sep 10, 2024 | Sep 28, 2024 | KM4JCT · Robert D Burnette · Blairsville, GA | 2 | Granted |
| Mar 23, 2021 | Apr 10, 2021 | KO4JJI · Stuart A Koch · Port Royal, VA | 1 | Granted |
| Dec 3, 2020 | Dec 21, 2020 | KO4GOE · Steven A Martin Jr · Germantown, NC | 6 | Granted |
| Oct 26, 2020 | Nov 13, 2020 | KO4GPY · Erskine S Terry · Alabaster, AL | 19 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO4ST in the last 24 hours. They show up here within seconds of KO4ST beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.