6-Day Forecast of VHF, UHF & Microwave Radio & TV Anomalous Propagation & Interference
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6-Day Forecast of VHF, UHF & Microwave Radio & TV Anomalous Propagation & Interference |
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© 2019 William R. Hepburn
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| For personal use only. Please check here for usage restrictions. |
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| Forecast in 3 hour intervals for first 30 hours ... and in 6 hour intervals for the remainder of the 6 days | ||||
| Maps updated daily around 1800 UTC | ||||
| Click on map to advance - or use keyboard left/right arrows Hit Refresh on your browser to ensure display of latest maps. You must have JavaScript enabled. |
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| U = UNSTABLE SIGNAL AREAS |
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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 areas noted in the forecast have the necessary atmospheric conditions to produce tropospheric bending of VHF, UHF and/or microwave radio waves. Tropospheric bending extends the range of radio & TV stations well beyond their normal limit and thus increases interference amongst stations as well. |
| How to use the Tropospheric Ducting Forecast Tropospheric DX Modes <- RECENTLY UPDATED History of the Tropospheric Ducting Forecast |
| If clickable map format won't work : 1. Do you have JavaScript enabled ? 2. Is your browser up-to-date ? 3. If it still won't work, you can still get the old style webpage by replacing .html by _old.html |
| USAGE RESTRICTIONS IN EFFECT The information on this website is primarily for personal use. The re-posting of current forecast maps on other websites, forums, Facebook, etc. is not permitted under any circumstance. NON-COMMERCIAL USE Reposting of current maps on websites, forums, Facebook, etc. is not permitted. Please provide a link instead. Broadcast of text or verbal information derived from using the maps, and display of old maps on websites, forums, Facebook and/or in publications for non-commercial purposes is permitted as long as William Hepburn is credited as the original source and a link to this website is provided. Terms for government use (including statutory corporations) are the same as for commercial use. COMMERCIAL OR GOVERNMENT USE Commercial or government use of any maps (forecast or archived) or the information they contain, whether for internal operational use or for use in the development of products or services, without obtaining licensed consent from the owner, is strictly prohibited. To request a LICENCE, please contact the owner at dxinfo at cogeco.ca . GrADS 2.0 (COLA/IGES) used to create maps. GrADS copyright at http://cola.gmu.edu/grads/gadoc/COPYRIGHT. Raw meteorological data source : Meteorological Service of Canada. MSC licence at http://dd.weatheroffice.ec.gc.ca/doc/LICENCE_GENERAL.txt. Privacy policy |
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