N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 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, WIKV4SA HAM
✅ Available for a vanity request — free since Mar 14, 2023.
2x2 call: 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 · 2 holders on record · available since Mar 14, 2023
Previous holder: Kostadinos G Vasilopoulos
Held KV4SA Feb 29, 2020 → Mar 13, 2021 · first licensed Feb 10, 2020 as KX4XC · 5 licenses · FRN 0029208188
-
- Licensee
- Kostadinos G Vasilopoulos
- Address
- Attn: kostadinos vasilopoulos
PO Box 33647
10264 Estuary Dr
Tampa, FL 33647
- FRN
- 0029208188
- Previous call
- N4BJ
- Last granted
- Jun 6, 2025
- Effective
- Jun 13, 2025
- Last action
- Jun 13, 2025
FCC actions (3)
- Jun 13, 2025 — Administrative update LIAUA
- Jun 6, 2025 — Vanity call sign granted VANGRT
- Jun 6, 2025 — License issued LIISS
-
- Licensee
- Kostadinos G Vasilopoulos
- Address
- 17929 Timber View St
Tampa, FL 33647
- FRN
- 0029208188
- Previous call
- WV4A
- Last granted
- Jun 11, 2021
- Effective
- Jun 11, 2021
- Last action
- Jun 6, 2025
FCC actions (3)
- Jun 6, 2025 — License canceled LICAN
- Jun 11, 2021 — Vanity call sign granted VANGRT
- Jun 11, 2021 — License issued LIISS
-
- Licensee
- Kostadinos G Vasilopoulos
- Address
- 17929 Timber View St
Tampa, FL 33647
- FRN
- 0029208188
- Previous call
- KV4SA
- Last granted
- Mar 13, 2021
- Effective
- Mar 13, 2021
- Last action
- Jun 11, 2021
FCC actions (3)
- Jun 11, 2021 — License canceled LICAN
- Mar 13, 2021 — Vanity call sign granted VANGRT
- Mar 13, 2021 — License issued LIISS
-
- Licensee
- Kostadinos G Vasilopoulos
- Address
- 17929 Timber View St
Tampa, FL 33647
- FRN
- 0029208188
- Previous call
- KX4XC
- Last granted
- Feb 29, 2020
- Effective
- Feb 29, 2020
- Last action
- Mar 13, 2021
FCC actions (3)
- Mar 13, 2021 — License canceled LICAN
- Feb 29, 2020 — Vanity call sign granted VANGRT
- Feb 29, 2020 — License issued LIISS
-
- Licensee
- Konstadinos G Vasilopoulos
- Address
- 17929 Timber View St
Tampa, FL 33647
- FRN
- 0029208188
- Last granted
- Feb 10, 2020
- Effective
- Feb 10, 2020
- Last action
- Feb 29, 2020
FCC actions (3)
- Feb 29, 2020 — License canceled LICAN
- Feb 10, 2020 — License issued LIISS
- Feb 10, 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 Sep 25, 2025 → Oct 4, 2026 · 3 snapshots · as W4DS
Kostadinos G Vasilopoulos
Attn: kostadinos vasilopoulos
PO Box 33647
10264 Estuary Dr, Tampa, FL 33647 - Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KX4XC
Konstadinos G Vasilopoulos
17929 Timber View St, Tampa, FL 33647 - Seen Apr 16, 2022 → Oct 4, 2026 · 39 snapshots · as KV4SA
Kostadinos G Vasilopoulos
17929 Timber View St, Tampa, FL 33647
Previous holder: Allen Chandler
Held KV4SA Mar 12, 2009 → Dec 10, 2013 · first licensed Sep 8, 1992 as AC4SA · 4 licenses · FRN 0018590497
-
- Licensee
- Allen Chandler
- Address
- Attn: Allen Chandler
148 Twin Loop Rd
Vernon, AL 35592
- FRN
- 0018590497
- Previous call
- KV4SA (General)
- Last granted
- Dec 1, 2023
- Effective
- Dec 1, 2023
- Last action
- Dec 1, 2023
FCC actions (3)
- Dec 1, 2023 — License renewed LIREN
- Dec 10, 2013 — Vanity call sign granted VANGRT
- Dec 10, 2013 — License issued LIISS
-
- Licensee
- Allen Chandler
- Address
- 148 Twin Loop Rd
Vernon, AL 35592
- FRN
- 0018590497
- Previous call
- KJ4KFR (General)
- Last granted
- Mar 12, 2009
- Effective
- Oct 28, 2013
- Last action
- Dec 10, 2013
FCC actions (3)
- Dec 10, 2013 — License canceled LICAN
- Oct 28, 2013 — Systematic call sign granted SYSGRT
- Oct 28, 2013 — License issued LIISS
-
📦 Moved: Clearwater, FL → Vernon, AL
- Licensee
- Allen Chandler
- Address
- 148 Twin Loop Rd
Vernon, AL 35592
- FRN
- 0018590497
- Last granted
- Mar 12, 2009
- Effective
- Oct 28, 2013
- Last action
- Oct 28, 2013
FCC actions (4)
- Oct 28, 2013 — License canceled LICAN
- Feb 26, 2010 — License modified LIMOD
- Mar 12, 2009 — License issued LIISS
- Mar 12, 2009 — Systematic call sign granted SYSGRT
-
- Licensee
- KONSTADINOS G VASILOPOULOS
- Address
- 630 HARBOR ISLAND
CLEARWATER, FL 34630
- FRN
- 0018590497
- Previous call
- KD4JXR (General)
- Last granted
- Sep 8, 1992
- Effective
- Sep 8, 1992
- Last action
- Nov 22, 2023
FCC actions (1)
- Sep 9, 2004 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Others requesting KV4SA
1 application listed KV4SA as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 11, 2020 | Feb 29, 2020 | KX4XC · Kostadinos G Vasilopoulos · Tampa, FL | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KV4SA in the last 24 hours. They show up here within seconds of KV4SA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.