N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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, WIW9DCO HAM
✅ Available for a vanity request — free since Apr 13, 2019.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH
Not currently held · 2 holders on record · available since Apr 13, 2019
Previous holder: David C Oliva
Held W9DCO Oct 21, 2008 → Apr 12, 2017 · first licensed Apr 7, 2008 as AB9RD · 2 licenses · FRN 0017368218
-
- Licensee
- David C Oliva
- Address
- 5119 N Mango Ave
Chicago, IL 60630
- FRN
- 0017368218
- Previous call
- AB9RD
- Last granted
- Oct 21, 2008
- Effective
- Oct 21, 2008
- Last action
- May 8, 2017
FCC actions (4)
- May 8, 2017 — Record corrected COR
- May 8, 2017 — Record corrected COR
- Oct 21, 2008 — Vanity call sign granted VANGRT
- Oct 21, 2008 — License issued LIISS
-
- Licensee
- David C Oliva
- Address
- 5119 N Mango Ave
Chicago, IL 60630
- FRN
- 0017368218
- Last granted
- Apr 7, 2008
- Effective
- Apr 7, 2008
- Last action
- Oct 21, 2008
FCC actions (3)
- Oct 21, 2008 — License canceled LICAN
- Apr 7, 2008 — License issued LIISS
- Apr 7, 2008 — 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 → Oct 4, 2026 · 94 snapshots · as AB9RD
David C Oliva
5119 N Mango Ave, Chicago, IL 60630
Previous holder: RONALD B SADOFF
Held W9DCO Mar 6, 1995 → Mar 6, 2005 · first licensed Mar 6, 1995 as W9DCO · 1 license · no FRN on file (pre-2001 records)
-
- Licensee
- RONALD B SADOFF
- Address
- N6429 DANNY LN
FOND DU LAC, WI 54935
- Last granted
- Mar 6, 1995
- Effective
- Mar 6, 1995
- Last action
- Mar 7, 2007
FCC actions (1)
- Mar 7, 2007 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W9DCO
RONALD B SADOFF
N6429 DANNY LN, FOND DU LAC, WI 54935
Others requesting W9DCO
1 application listed W9DCO as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Oct 3, 2008 | Oct 21, 2008 | AB9RD · David C Oliva · Chicago, IL | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for W9DCO in the last 24 hours. They show up here within seconds of W9DCO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.