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Solar
SFI 128
SN 73
A 6
K 1 Quiet
X-Ray C2.2
Wind 403.6 km/s
Aurora 2
Updated 23:00 UTC HamQSL · N0NBH
Day 80/40m Fair 30/20m Good 17/15m Good 12/10m Fair
Night 80/40m Good 30/20m Good 17/15m Good 12/10m Poor

Callsign Lookup
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Vanity Call Signs Available
Enter filters above and click Search.
ⓘ Callsign lookups are in real time via the FCC database. Vanity callsign availability is refreshed daily at 6:00 AM CST. The vanity search may be unavailable for a few minutes during this update.
Live DX spots
Live DX Spots — 70cm via PSKReporter · scroll or pinch to zoom
Band
Mode
Time
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MHz DX Spotter Info
Recent spots
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Ready — select a band to fetch live spots

HomeHam ToolsUtilities
🗺️

Utilities

Essential station utilities that don't fit neatly into other categories — from live FT8 contact maps and APRS trackers to antenna design tools and Smith chart software.

🗺️

GridTracker

Embedded

A real-time mapping application that displays your FT8 and WSPR contacts on a world map as you make them. Pulls live data directly from WSJT-X and shows grid squares, DXCC entities, and signal paths. Extremely popular for visual DX hunting and award chasing — see exactly where your signal is reaching in real time.

FT8 WSPR World map Grid squares DXCC
Full guide →
Quick install
Download AppImage from gridtracker.org
📐

linSmith

Guide

A Smith chart tool for antenna and impedance matching work. Plot impedances, design L-networks and transmission line transformers, and visualize how your antenna system behaves across frequency. Useful for anyone building antennas, matching networks, or working with transmission lines at HF and VHF frequencies.

Smith chart Impedance Antenna design Matching network
Full guide →
Quick install
sudo apt install linsmith

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