Duration: 4:02

2 views

0

The maximum frequency for reflection of sky waves from a certain layer of the ionosphere is found to be \( \mathrm{f}_{\max }=9\left(\mathrm{~N}_{\max }\right)^{1 / 2} \), where \( \mathrm{N}_{\max } \) is the maximum electron density at that layer of the ionosphere. On a
\( P \) certain day it is observed that signals of frequencies higher than \( 5 \mathrm{MHz} \) are not received by reflection

W. from the \( \mathrm{F}_{1} \) layer of the ionosphere while signals of frequencies higher than \( 8 \mathrm{MHz} \) are not received by reflection from the \( \mathrm{F}_{2} \) layer of the inonosphere. Estimate the maximum electron densities of the \( \mathrm{F}_{1} \) and \( \mathrm{F}_{2} \) layers on that day.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live