17 Sept 2009 - South 5R8

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South 5R8 propagation - 17 September 2009

I had signals 0800 to 0930z and 1330-1430z. No complete data available for this propagation.

The general situation :

1-AIS reports

ais-5r8-20090917-14z (boats on right are being rx by my station)

2-The Hepburn predictions

3-The radiosounding data

3
6.4 306.3

4-The predicted data from NOAA Air Resources Laboratory - GDAS Profile

DURBAN 17 sept 06z	DURBAN 06 sept 09z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 401. 0.000 0.1 622. 0.002 0.5 847. 0.003 0.7 1077. 0.004 1.0 1555. 0.005 2.4 2059. 0.012 5.9 ** 2597. 0.008 4.5 3165. 0.003 1.9 3768. 0.005 3.2 4410. 0.004 2.8 5097. 0.005 3.4 5838. 0.003 2.4 6639. 0.004 3.3 7519. 0.006 4.9 8493. 0.003 3.2 9580. 0.001 1.6 10816. 0.004 4.4 12262. 0.003 4.0 14054. 0.012 20.9 16509. 0.012 30.3 20618. 0.022 91.6 26306. 0.033 ** gdas1.oct09.w3 Lat/Lon/Elev: -29.97 30.95 8m E = Estimated Surface Height	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 384. -.001 -0.2 604. 0.002 0.4 829. 0.002 0.4 1059. 0.005 1.0 1536. 0.007 3.2 ** 2040. 0.009 4.6 2576. 0.009 5.0 3145. 0.005 3.0 3747. 0.004 2.6 4389. 0.005 3.0 5077. 0.004 3.0 5816. 0.003 2.1 6616. 0.003 2.4 7490. 0.004 3.9 8460. 0.005 4.7 9548. 0.003 3.6 10786. 0.003 3.4 12234. 0.004 6.1 14038. 0.012 20.9 16515. 0.012 30.9 20641. 0.022 91.3 26348. 0.032 ** gdas1.sep09.w1 Lat/Lon/Elev: -29.97 30.95 8m E = Estimated Surface Height
South 5R8 17 Sept 06z	South 5R8 17 Sept 05z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 363. 0.005 1.1 587. 0.009 2.0 816. 0.009 2.2 ** 1052. 0.009 2.2 1542. 0.010 4.7 2060. 0.007 3.8 2608. 0.006 3.3 3187. 0.002 1.1 3799. 0.003 1.9 4450. 0.003 1.9 5145. 0.004 3.0 5894. 0.004 3.1 6703. 0.002 1.6 7585. 0.002 1.9 8554. 0.002 1.6 9633. 0.002 1.8 10862. 0.005 6.1 12317. 0.007 9.7 14123. 0.010 18.3 16588. 0.010 24.8 20736. 0.025 26513. 0.031 ** gdas1.sep09.w3 Lat/Lon: -27.43 45.25 E = Estimated Surface Height	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 354. 0.004 0.9 577. 0.008 1.8 807. 0.009 2.1 ** 1042. 0.009 2.2 1532. 0.009 4.4 2049. 0.008 4.3 2597. 0.006 3.1 3177. 0.003 1.7 3790. 0.003 2.0 4442. 0.004 2.7 5140. 0.003 2.2 5889. 0.004 2.9 6701. 0.003 2.1 7584. 0.002 1.5 8555. 0.002 1.7 9637. 0.002 2.6 10869. 0.004 4.5 12321. 0.007 9.5 14131. 0.010 18.1 16590. 0.010 24.4 20730. 0.026 26525. 0.031 ** gdas1.sep09.w1 Lat/Lon: -27.43 45.25 E = Estimated Surface Height
FR 17 Sept 06z	FR 17 Sept 15z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 402. 0.000 0.1 625. 0.001 0.3 852. 0.007 1.5 1084. 0.004 1.0 1565. 0.004 1.8 2070. 0.005 2.4 2604. 0.010 5.6 ** 3177. 0.013 7.4 3788. 0.003 2.1 4438. 0.004 2.3 5134. 0.005 3.5 5884. 0.003 2.5 6698. 0.004 3.5 7586. 0.002 1.8 8560. 0.001 1.0 9648. 0.003 3.3 10885. 0.003 4.0 12348. 0.008 12.1 14159. 0.006 11.3 16589. 0.011 27.3 20731. 0.025 26475. 0.032 ** gdas1.sep09.w3 Lat/Lon: -22.82 54.51 E = Estimated Surface Height	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 395. 0.000 0.1 618. 0.002 0.5 846. 0.004 1.0 1079. 0.004 0.9 1562. 0.005 2.2 2068. 0.005 2.7 ** 2604. 0.010 5.3 3177. 0.011 6.5 3789. 0.005 3.0 4440. 0.004 2.4 5138. 0.005 3.7 5891. 0.004 3.1 6706. 0.003 2.3 7593. 0.001 1.3 8568. 0.001 1.5 9655. 0.003 2.9 10892. 0.003 4.3 12353. 0.007 10.1 14164. 0.007 13.3 16598. 0.012 28.5 20728. 0.024 26497. 0.032 ** gdas1.sep09.w3 Lat/Lon: -22.82 54.51 E = Estimated Surface Height

5-The surface pressure charts

6-The visible maps

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