N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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, WIKD0IHC HAM
✅ Available for a vanity request — free since Sep 30, 2019.
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 Sep 30, 2019
Previous holder: Brian Underhill
Held KD0IHC Jul 8, 2009 → Sep 29, 2017 · first licensed Jul 8, 2009 as KD0IHC · 2 licenses · FRN 0018917922
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- Licensee
- Brian Underhill
- Address
- 300 Arapahoe
Boulder, CO 80302
- FRN
- 0018917922
- Previous call
- KD0IHC
- Last granted
- Sep 29, 2017
- Effective
- Sep 29, 2017
- Last action
- Sep 29, 2017
FCC actions (2)
- Sep 29, 2017 — Vanity call sign granted VANGRT
- Sep 29, 2017 — License issued LIISS
-
- Licensee
- Brian Underhill
- Address
- 300 Arapahoe
Boulder, CO 80302
- FRN
- 0018917922
- Last granted
- Jul 8, 2009
- Effective
- Jul 8, 2009
- Last action
- Sep 29, 2017
FCC actions (3)
- Sep 29, 2017 — License canceled LICAN
- Jul 8, 2009 — License issued LIISS
- Jul 8, 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 → Oct 4, 2026 · 66 snapshots · as KD0IHC
Brian Underhill
300 Arapahoe, Boulder, CO 80302
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD0IHC in the last 24 hours. They show up here within seconds of KD0IHC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.