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..U..
= Unstable signal areas.
Maps updated daily at 1700Z.
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| PAST WEEK MAPS |
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| Sunday |
Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
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| Click for larger image | ||||||
| The "Tropo Forecast" is updated daily at 1700 UTC.
It is an experimental forecast of distant VHF and UHF propagation
via the mode called "Tropospheric Ducting". The forecasts are prepared as a service to the DX community
& broadcast stations. The areas noted in the forecast have the necessary atmospheric conditions to produce tropospheric bending of UHF or VHF TV and radio waves. Tropospheric bending extends the range of stations well beyond their normal limit. Distant reception along straight line paths becomes possible..though the longer the path, the higher the Index required. For radio & TV stations, ducting can cause unwanted interference from distant stations on the same channel. The pursuit of distant stations is called "DXing". Note that Z time is the same as UTC (GMT). GrADS 1.8 (COLA / IGES) used to map results. |