M0BEW -- M4T --: HFTA

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Monday, 16 April 2018

HF Terrian Analysis Takeoff Angles Comparison.

HF Terrian Analysis Takeoff Angles Comparison.

In a continuation of comparing the topography of the two QTH's, graphs below show the influence of the terrian on the take off angles.
As its just for comparison a single element is used set to height of 50 feet.

The Red line shows IO82RJ Shropshire [new], the Blue line shows IO82XL Midlands [old] and the Green line shows Flat ground.

0 deg Azimuth. North.

M0BEW - 0 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 0 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 0 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 0 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 0 deg. Az. 28MHz. IO82RJ / IO82XL / Flat

M0BEW - 0 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

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60 deg. Azimuth. North East.

M0BEW - 60 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 60 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 60 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 60 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 60 deg. Az. 28MHz. IO82RJ / IO82XL / Flat

M0BEW - 60 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

-
120 deg. Azimuth. South East.

M0BEW - 120 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 120 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 120 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 120 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 120 deg. Az. 28MHz. IO82RJ / IO82XL / Flat

M0BEW - 120 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

-
180 deg. Azimuth. South.

M0BEW -180 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 180 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 180 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 180 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 180 deg. Az. 28MHz. IO82RJ / IO82XL / Flat

M0BEW - 180 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

-
240 deg. Azimuth. South West.

M0BEW - 240 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 240 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 240 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 240 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 240 deg. Az. 28MHz. IO82RJ / IO82XL / Flat

M0BEW - 240 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

-
320 deg. Azimuth. North West.

M0BEW - 320 deg. Az. 3.5MHz. IO82RJ / IO82XL / Flat

M0BEW - 320 deg. Az. 7.0MHz. IO82RJ / IO82XL / Flat

M0BEW - 320 deg. Az. 14MHz. IO82RJ / IO82XL / Flat

M0BEW - 320 deg. Az. 21MHz. IO82RJ / IO82XL / Flat

M0BEW - 320 deg. Az. 50MHz. IO82RJ / IO82XL / Flat

Tim M0BEW.

HF Terrian Analysis Comparison 0-360 Deg. Part 1. 0-90.

HF Terrian Analysis Comparison 0-360 Deg. Part 1. 0-90.

Below of the differences in terrian between my old QTH in the Midlands compared to the terrian at my new QTH in Shropshre.
The old QTH was outstanding in certain directions, mostly from 0 degrees through to 180. Intrestingly by coninsidence the new QTH appears almost the same.

Using HFTA software slices are took in 5 degree intervals and compared.

Red line - IO82RJ in Shropshire. 920 feet ASL.
Blue line - IO82XL in Midlands. 735 feet ASL.
Green line - Flat ground.