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| PAST WEEK MAPS |
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| 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 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 display of current forecast maps on other websites is not permitted under any circumstance. NON-COMMERCIAL USE Broadcast of text or verbal information derived from using the maps, and display of older maps on websites 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. Privacy policy |
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