Show only spots on this band. Filter by mode. Shows which areas of the earth are in daylight.

WSPR (pronounced "whisper") is an acronym for Weak Signal Propagation Reporter. It is a protocol, implemented in a computer program, used for weak- signal radio communication between amateur …

Powerful WSPR analysis tool with live maps, heatmaps, charts and a visual SQL query builder. Explore propagation and filter data by callsign, band, time and any supported field.

WSPR, which stands for Weak Signal Propagation Reporter, is a program used to test the propagation paths of RF signals between amateur radio operators using a narrowband digital transmission …

WSPR (usually pronounced “whisper”) is a software application that uses the transmission mode MEPT-JT (Manned Experimental Propagation Transmitter – Joe Taylor).

It stands for Weak Signal Propagation Reporter, and it’s one of the most compelling modes available for hams who enjoy blending technology, minimalism, and real-time global experimentation.

This page allows you to do analysis on the real time wspr spot data. The database contains all spots ever reported to wsprnet.org and allows public access to the data.

WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a station's callsign, Maidenhead grid locator, and …

ISWS, in partnership with the Illinois Department of Natural Resources (IDNR), is completing water sustainability analyses of each water supply planning region (WSPR) of Illinois. While the state is …

WSPR (Weak Signal Propagation Reporter) is one of the most powerful tools available to amateur radio operators for observing real-world HF propagation. WSPR detects extremely weak signals and …