1.3 MHz 31MHz Antenna Analyzer circuit based on Pic16f873a microcontroller is able to measure between the frequencies of 1.3 MHz 31MHz 2 x 16 lcd on the frequency, omaj, swr, etc displays the information. Antenna Specifications of C source... Electronics Projects, Antenna Analyzer Circuit 31mhz 1.3MHz PIC16F873 "microchip projects, microcontroller projects, " Date 2019/08/03