Refractive index N evaluation

Refractive index is computed for 4 layers from 975mb to 850 mb height
see : Tropospheric propagation
and : 144 MHz Long Distance Radio Propagation from Western Europe into the Atlantic Ocean

All comments and feedback are wellcome. Send me an email!

[ Computed from datas issued at 00 h UTC ]

	25/MAY - 03 Z
	25/MAY - 06 Z
	25/MAY - 09 Z
	25/MAY - 12 Z
	25/MAY - 15 Z
	25/MAY - 18 Z
	25/MAY - 21 Z
	26/MAY - 00 Z
	26/MAY - 03 Z
	26/MAY - 06 Z
	26/MAY - 09 Z
	26/MAY - 12 Z
	26/MAY - 15 Z
	26/MAY - 18 Z
	26/MAY - 21 Z
	27/MAY - 00 Z
	27/MAY - 06 Z
	27/MAY - 12 Z
	27/MAY - 18 Z
	28/MAY - 00 Z
	28/MAY - 06 Z
	28/MAY - 12 Z
	28/MAY - 18 Z
	29/MAY - 00 Z
	29/MAY - 12 Z
	30/MAY - 00 Z
	30/MAY - 12 Z
	31/MAY - 00 Z
	31/MAY - 12 Z
	01/JUN - 00 Z
	01/JUN - 12 Z
	25/MAY - 15 Z
	25/MAY - 15 Z

Update around 6h30,13h30,18h45 and 23h45 CEST

Example with tropo opening on 2012 sept 15-16