N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 6:00 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKJ4KTW HAM
✅ Available for a vanity request — free since Oct 18, 2015.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Oct 22, 2013 · eQSL AG member · QRZ · HamQTH
Not currently held · 1 holder on record · available since Oct 18, 2015
Previous holder: Ross B Comstock
Held KJ4KTW Mar 30, 2009 → Oct 17, 2013 · first licensed Mar 30, 2009 as KJ4KTW · 2 licenses · FRN 0009247917
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📦 Moved: Ingleside, TX → South Dennis, MA
- Licensee
- Ross B Comstock
- Address
- 10 Devonshire Lane
South Dennis, MA 02660
- FRN
- 0009247917
- Previous call
- KJ4KTW (General)
- Last granted
- Sep 1, 2023
- Effective
- Nov 25, 2025
- Last action
- Nov 25, 2025
FCC actions (10)
- Nov 25, 2025 — Administrative update LIAUA
- Sep 1, 2023 — License renewed LIREN
- May 10, 2022 — Administrative update LIAUA
- May 29, 2020 — Administrative update LIAUA
- May 4, 2018 — Administrative update LIAUA
- Jun 28, 2017 — Administrative update LIAUA
- Jun 3, 2014 — Administrative update LIAUA
- Feb 19, 2014 — Administrative update LIAUA
- Oct 17, 2013 — Vanity call sign granted VANGRT
- Oct 17, 2013 — License issued LIISS
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- Licensee
- Ross B Comstock
- Address
- 1860 Vera Ln
Ingleside, TX 78362
- FRN
- 0009247917
- Last granted
- Mar 30, 2009
- Effective
- Sep 16, 2013
- Last action
- Oct 22, 2013
FCC actions (7)
- Oct 17, 2013 — License canceled LICAN
- Sep 16, 2013 — License modified LIMOD
- Feb 15, 2011 — Administrative update LIAUA
- Apr 22, 2010 — License modified LIMOD
- Jun 10, 2009 — Administrative update LIAUA
- Mar 30, 2009 — License issued LIISS
- Mar 30, 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as KE5BM
Ross B Comstock
10 Devonshire Lane, South Dennis, MA 02660 - Seen Oct 17, 2011 → Oct 4, 2026 · 49 snapshots · as KJ4KTW
Ross B Comstock
1860 Vera Ln, Ingleside, TX 78362 - Seen Apr 27, 2024 → Sep 25, 2025 · 10 snapshots · as KE5BM
Ross B Comstock
38 Indian Field Dr., South Dennis, MA 02660 - Seen Apr 16, 2022 · 1 snapshot · as KE5BM
Ross B Comstock
6415 Worcester Way, Suffolk, VA 23435 - Seen May 7, 2018 → May 6, 2019 · 4 snapshots · as KE5BM
Ross B Comstock
390 MERRILL DR, Milton, FL 32570 - Seen Sep 5, 2017 → Jan 2, 2018 · 3 snapshots · as KE5BM
Ross B Comstock
3158A Holloway Drive, Gulfport, MS 39501 - Seen Mar 28, 2015 → May 12, 2017 · 16 snapshots · as KE5BM
Ross B Comstock
317 Skeeter Ln., Wallops Island, VA 23337 - Seen May 27, 2010 · 1 snapshot · as KJ4KTW
Ross B Comstock
2136 McMullen Lane, Aransas Pass, TX 78336
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ4KTW in the last 24 hours. They show up here within seconds of KJ4KTW beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.