For the ionospheric model in Problem 7.5, calculate the differential delay at the opposite extremes of the transmitted frequency spectrum for a wave with center frequency 12.4 GHz and with a bandwidth of 400 MHz.
Problem 7.5
Assuming that the variation of electron density with height is as
![1050_69d4956c-46c7-4f81-887c-81de9b6ef603.png](https://secure.tutorsglobe.com/CMSImages/1050_69d4956c-46c7-4f81-887c-81de9b6ef603.png)
Show that the total electron content NT = No/K. Evaluate NT for No = 1013 per cubic meter and K-1 = 10 km.