Error in coverage plots
I've noticed recently that the coverage plots (using the online TV Maps feature) contain overpower anomolies for certain stations. Check out, for example:
CHLF-TV Hawkesbury CHCH-TV-1 Ottawa CHEK-TV Victoria among others. you will see a spike in coverage, generally towards North Northeast. The effective power in that direction is often reported 20-30 dB over the Maximum power. For example, CHLF's max ERP is 10 KW, but the effective power to the NorthEast is over 2 MW. |
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Found a another plot with a northward overpower anamoly: CIHF-DT channel 8 in Halifax, NS. Max ERP: 1.000 kW, Eff Power: 6.564 kW |
more northward anomalies
Also CIVO analog 30 in Gatineau, QC, although they'll be flash cutting to digital Sept 1, 2011.
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Another whopper: CIII_TV_29 Sarnia - 18.466 MW ! :
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Whoops. That definitely shouldn't be happening. Let me look into it.
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Yes, the bug has been fixed and we've been using the latest software build to re-process all of the coverage overlays. We are still about a week away from having them fully processed and ready for a site update.
I've gone ahead and asked that the software updates get pushed out immediately (for radar plots, interactive maps, profile views, etc.). This will fix any data that show up in new analysis results even though the coverage overlays might look wrong. The overlays will be updated as soon as the current processing job is done. This should fix the whacky numbers you've been seeing. Please let me know if you notice any problems with the new software. |
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Please let us know when the new coverage plots are available. Thanks. |
Latest online coverage maps are ready
New online coverage overlays have been pushed to the site. The maps should now match the report data without the radiation pattern bug. This should update the Interactive Maps as well as the Callsign Lookup tool.
As always, if you notice anything that looks wrong, please let us know so that we can fix it. |
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