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, WIKD9AXM HAM
✅ Available for a vanity request — free since Mar 13, 2023.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Mar 13, 2023
Previous holder: David Z Chen
Held KD9AXM Apr 8, 2014 → Mar 12, 2021 · first licensed Apr 8, 2014 as KD9AXM · 2 licenses · FRN 0023514433
-
- Licensee
- David Z Chen
- Address
- 1654 Pathway Dr
Naperville, IL 60565
- FRN
- 0023514433
- Previous call
- KD9AXM (Technician)
- Last granted
- Mar 12, 2021
- Effective
- Mar 12, 2021
- Last action
- Mar 12, 2021
FCC actions (2)
- Mar 12, 2021 — Vanity call sign granted VANGRT
- Mar 12, 2021 — License issued LIISS
-
- Licensee
- David Z Chen
- Address
- 1654 Pathway Dr
Naperville, IL 60565
- FRN
- 0023514433
- Last granted
- Apr 8, 2014
- Effective
- Jan 19, 2021
- Last action
- Mar 12, 2021
FCC actions (4)
- Mar 12, 2021 — License canceled LICAN
- Jan 19, 2021 — License modified LIMOD
- Apr 8, 2014 — License issued LIISS
- Apr 8, 2014 — 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 22, 2014 → Sep 27, 2026 · 48 snapshots · as KD9AXM
David Z Chen
1654 Pathway Dr, Naperville, IL 60565
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD9AXM in the last 24 hours. They show up here within seconds of KD9AXM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.