Home Page of Amateur Radio Station AC7SM

I primarily work weak signal digital modes: PSK31, WSPR and JT65
usually with 5-10W power. Rig is a Yaesu FT-897, ATAS-100 Antenna

WSPR Facebook Group Antenna Design Software JT65-HF Software
WSPR Propagation Map WSPR Net Weak Signal Software
Locater/Grid Database QRZ Call Lookup Las Vegas Repeaters

U. S. Naval Observatory Master Clock
Link to the Site


Larry Helwig, AC7SM (Formerly KD7JJI)
Las Vegas, Nevada, USA
County: Clark, Grid Square: DM26IE03DK
Longitude: 36.18, Latitude: -115.33

Click for Las Vegas, Nevada Forecast

Email: helwig@ieee.org