WA3NAN · Goddard Space Flight Center · Greenbelt, MD
Repeater: 146.835 MHz · None required EchoLink: Node 40045 Daily Net: 12:00 local

This page displays live HF propagation conditions for the FM18 and FM19 grid squares (DC Metro / NASA Goddard area), updated every 6 minutes using data from the WSPR network.

WSPR (Weak Signal Propagation Reporter) is an automated beacon system where low-power transmitters send a short digital signal and receiving stations around the world log what they hear. The spots listed here are filtered to show only paths with strong enough signal levels that a real SSB conversation would be possible using 100W and a dipole — marginal and weak paths are excluded.

Use the band tabs to see which HF bands are open right now. The Transmitting section shows local stations being heard by the world. The Receiving section shows stations that local receivers are hearing from around the globe.

Data is sourced from wspr.live and refreshed every 6 minutes. Only spots from the last 2 hours are shown.

Select a band to update the map
Received a transmission from the local area Heard a transmitter in the local area

160m — 1.8 MHz

FM18/FM19 stations heard by the world
Time (UTC) TX Station TX Grid Heard By RX Grid SNR PWR (dBm) km
10:32 AC3JB FM19ji K3FEF FN21mh -24 23 289
10:32 AC3JB FM19ji W2ACR FN22bg -25 23 343
10:30 AC3JB FM19ji K3FEF FN21mh -23 23 289
10:30 AC3JB FM19ji W2ACR FN22bg -24 23 343
Stations heard by FM18/FM19 receivers
Time (UTC) TX Station TX Grid Heard By RX Grid SNR PWR (dBm) km
10:50 K9YWO EN61fn NB3A FM18cr -18 30 886
10:50 K9YWO EN61fn KX4O FM18cp -17 30 890
10:40 K9YWO EN61fn KX4O FM18cp -10 30 890
10:40 K9YWO EN61fn NB3A FM18cr -8 30 886
10:34 K9YWO EN61fn NB3A FM18cr -12 30 886
10:34 K9YWO EN61fn KX4O FM18cp -10 30 890
10:32 N5XXN DM81ru NB3A FM18cr -24 23 2364
10:28 K9YWO EN61fn NB3A FM18cr -11 30 886
10:28 K9YWO EN61fn WF4V FM18jr -19 30 932
10:28 K9YWO EN61fn KX4O FM18cp -12 30 890
10:20 K9YWO EN61fn NB3A FM18cr -4 30 886
10:20 K9YWO EN61fn KX4O FM18cp -6 30 890
10:14 K9YWO EN61fn KX4O FM18cp -10 30 890
10:14 K9YWO EN61fn NB3A FM18cr -9 30 886
10:06 K9YWO EN61fn NB3A FM18cr -12 30 886
10:06 K9YWO EN61fn WF4V FM18jr -19 30 932
10:06 K9YWO EN61fn KX4O FM18cp -11 30 890
09:52 K9YWO EN61fn KX4O FM18cp -14 30 890
09:52 K9YWO EN61fn NB3A FM18cr -12 30 886
09:46 K9YWO EN61fn KX4O FM18cp -16 30 890
09:46 K9YWO EN61fn WF4V FM18jr -14 30 932
09:46 K9YWO EN61fn NB3A FM18cr -11 30 886
09:36 K9YWO EN61fn NB3A FM18cr -12 30 886
09:36 K9YWO EN61fn WS3W FM19ng -17 30 938
09:36 K9YWO EN61fn WF4V FM18jr -13 30 932
09:36 K9YWO EN61fn KX4O FM18cp -14 30 890
09:26 K9YWO EN61fn NB3A FM18cr -14 30 886
09:26 K9YWO EN61fn WF4V FM18jr -18 30 932
09:26 K9YWO EN61fn KX4O FM18cp -13 30 890
09:20 K9YWO EN61fn KX4O FM18cp -7 30 890
09:20 K9YWO EN61fn KB3HGW FM19od -18 30 949
09:20 K9YWO EN61fn NB3A FM18cr -9 30 886
09:20 K9YWO EN61fn WF4V FM18jr -17 30 932
09:14 N5XXN DM81ru KX4O FM18cp -26 23 2362
09:12 K9YWO EN61fn KX4O FM18cp -14 30 890
09:12 K9YWO EN61fn NB3A FM18cr -10 30 886
09:12 K9YWO EN61fn WF4V FM18jr -19 30 932