Heights of transmitting and receiving antennas from earth surface are hT and hR respectively. Write the relation for maximum line - of - sight (LOS) distance between two antennas.
![Antenna Near Field & Far Field Distance Calculator | Southwest Antennas - High Performance RF and Microwave Antennas & Custom Antenna Manufacturing Antenna Near Field & Far Field Distance Calculator | Southwest Antennas - High Performance RF and Microwave Antennas & Custom Antenna Manufacturing](https://www.southwestantennas.com/sites/default/modules/swa_calc/images/nfff.jpg)
Antenna Near Field & Far Field Distance Calculator | Southwest Antennas - High Performance RF and Microwave Antennas & Custom Antenna Manufacturing
![Find the minimum length of antenna used to transmit a radio signal of frequency of 30 MHz. - YouTube Find the minimum length of antenna used to transmit a radio signal of frequency of 30 MHz. - YouTube](https://i.ytimg.com/vi/nfhfq3fGP1A/maxresdefault.jpg)