• January 4, 2023 - 10 Meters added. Work on reducing local QRM sources (e.g. switching power supplies) is ongoing.
• On 29 December, 2022 the WebSDR server computer was replaced and plug-in USB cards known to work with the receivers were installed, allowing the possibility of more bands in the future. Doing this also allowed 17 meters to be restored.
• In late September, 2022, the receivers, RF system, and other on-site IT gear were reconfigured. By coincidence, perhaps, this seems to have significantly reduced the amount of local QRM into the 80/75 meter receiver, so this band should be far more useful.
• In April, 2022 the server was replaced, more receivers added and updated software was installed expand coverage from 60, 40 and 20 meters to also include 80, 17 and 15 meters.

The receivers being used are a combination of SDRPLay RSP1a and RSP2 units and the new drivers allow 16 bits of signal data - as opposed to the 8 bits with the previous configuration, allowing better simultaneous dynamic range on each covered band. The new server has more processing power and - most importantly - more USB ports, allowing more bands with wider coverage than before. All available USB ports are being used, so adding more receivers is not possible with the current hardware.

Operating tips:

• You can zoom in and out using the controls under Waterfall view or by overing over the waterfall with the mouse and either drag or use its wheel to adjust it to see the entire frequency range on each band.

• You can make this screen (text and waterfall) bigger by hitting the CTRL and then pressing the PLUS (+) key.  Conversely, pressing CTRL and the MINUS (-) key will make it smaller

• If you are using CatSync or similar external programs and find that it doesn't work with this WebSDR - but it seems to work with other WebSDRs - add "?10hz" (not including the quotes, of course) to the end of the URL (e.g. http://mauisdr.com:8901/?10hz)