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, WIKI4HZM HAM
✅ Available for a vanity request — free since Mar 24, 2007.
2x3 call: any licensee 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 Mar 24, 2007
Previous holder: Robert L Madderra
Held KI4HZM Dec 10, 2004 → Mar 23, 2005 · first licensed Dec 10, 2004 as KI4HZM · 3 licenses · FRN 0012294336
-
- Licensee
- Robert L Madderra
- Address
- 8100 River Circle
Atlanta, GA 30350
- FRN
- 0012294336
- Previous call
- AI4JS (General)
- Last granted
- Apr 11, 2025
- Effective
- Apr 11, 2025
- Last action
- Apr 11, 2025
FCC actions (5)
- Apr 11, 2025 — License renewed LIREN
- Mar 5, 2015 — License renewed LIREN
- Apr 10, 2008 — Administrative update LIAUA
- Apr 22, 2005 — Vanity call sign granted VANGRT
- Apr 22, 2005 — License issued LIISS
-
- Licensee
- Bob L Madderra
- Address
- 3707 Dunwoody Club Dr
Atlanta, GA 30350
- FRN
- 0012294336
- Previous call
- KI4HZM (General)
- Last granted
- Dec 10, 2004
- Effective
- Mar 23, 2005
- Last action
- Apr 22, 2005
FCC actions (3)
- Apr 22, 2005 — License canceled LICAN
- Mar 23, 2005 — Systematic call sign granted SYSGRT
- Mar 23, 2005 — License issued LIISS
-
- Licensee
- Bob L Madderra
- Address
- 3707 Dunwoody Club Dr
Atlanta, GA 30350
- FRN
- 0012294336
- Last granted
- Dec 10, 2004
- Effective
- Feb 7, 2005
- Last action
- Mar 23, 2005
FCC actions (4)
- Mar 23, 2005 — License canceled LICAN
- Feb 7, 2005 — License modified LIMOD
- Dec 10, 2004 — License issued LIISS
- Dec 10, 2004 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KI4HZM in the last 24 hours. They show up here within seconds of KI4HZM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.