🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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, WI
Jonathan Grose
FRN 0021329172 · first licensed Dec 22, 2011 as KJ6TGX · 2 licenses on record
📻 GMRS licenses on this FRN
GMRS call Status Name Location Granted Expires
WREA999
Active
Jonathan Grose Mill Valley, CA
Sep 10, 2019 Sep 10, 2029
📝 FCC applications (6)
Complete licensing history
AI6DC
Active
Amateur Extra
Aug 18, 2014 → expires Dec 22, 2031
Licensee Jonathan Grose
Address PO Box 177 Mill Valley, CA 94942-0177
FRN 0021329172
Previous call KJ6TGX (General)
Last granted Sep 24, 2021
Effective Sep 24, 2021
Last action Sep 24, 2021
FCC actions (3)
Sep 24, 2021 — License renewed LIREN Aug 18, 2014 — Systematic call sign granted SYSGRT Aug 18, 2014 — License issued LIISS
KJ6TGX
Canceled
Amateur Extra
Dec 22, 2011 → Aug 18, 2014 (canceled)
Licensee Jonathan Grose
Address PO Box 177 Mill Valley, CA 94942-0177
FRN 0021329172
Last granted Dec 22, 2011
Effective Aug 18, 2014
Last action Aug 18, 2014
FCC actions (5)
Aug 18, 2014 — License canceled LICAN Jul 22, 2014 — License modified LIMOD Nov 17, 2012 — Administrative update LIAUA Dec 22, 2011 — License issued LIISS Dec 22, 2011 — 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 Mar 28, 2015 → Oct 4, 2026 · 72 snapshots · as KJ6TGX
Jonathan Grose
PO Box 177 Mill Valley, CA 94942-0177
Seen Feb 18, 2013 → May 22, 2014 · 6 snapshots · as KJ6TGX
Jonathan Grose
P.O. Box 177, Mill Valley, CA 94942
Seen May 28, 2012 → Jul 26, 2012 · 2 snapshots · as KJ6TGX
Jonathan Grose
21145 Bank Mill Rd, Saratoga, CA 95070
37.2564, -122.0421 (street) · Grid
CM87xg · CQ 3 · ITU 6 ·
map ↗
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB