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, WIKA4GPS HAM
✅ Available for a vanity request — free since Apr 4, 2021.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Apr 4, 2021
Previous holder: ELIO MARTINEZ-SIERRA
Held KA4GPS Apr 3, 2009 → Apr 3, 2019 · first licensed Mar 12, 2009 as KJ4KGJ · 2 licenses · FRN 0018594275
-
- Licensee
- ELIO MARTINEZ-SIERRA
- Address
- 931 SW 119 PL
MIAMI, FL 33184
- FRN
- 0018594275
- Previous call
- KJ4KGJ
- Last granted
- Apr 3, 2009
- Effective
- Apr 3, 2009
- Last action
- Apr 6, 2021
FCC actions (3)
- Apr 6, 2021 — License expired LIEXP
- Apr 3, 2009 — Vanity call sign granted VANGRT
- Apr 3, 2009 — License issued LIISS
-
- Licensee
- ELIO MARTINEZ-SIERRA
- Address
- 931 SW 119 PL
MIAMI, FL 33184
- FRN
- 0018594275
- Last granted
- Mar 12, 2009
- Effective
- Mar 12, 2009
- Last action
- Apr 3, 2009
FCC actions (3)
- Apr 3, 2009 — License canceled LICAN
- Mar 12, 2009 — License issued LIISS
- Mar 12, 2009 — 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 May 27, 2010 → Sep 27, 2026 · 92 snapshots · as KJ4KGJ
ELIO MARTINEZ-SIERRA
931 SW 119 PL, MIAMI, FL 33184
Others requesting KA4GPS
2 applications listed KA4GPS as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 12, 2025 | Mar 2, 2025 | KR4BIK · Gary L Selden · Canton, GA | 6 | Granted |
| Mar 16, 2009 | Apr 3, 2009 | KJ4KGJ · ELIO MARTINEZ-SIERRA · MIAMI, FL | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KA4GPS in the last 24 hours. They show up here within seconds of KA4GPS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.