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Calculate Radio Frequency Power Density
beam power density estimation program intended for use as part of a routine evaluation of rf safety compliance with fcc regulations
post 05 Dec 2024
![Calculate Radio Frequency Power Density](images/calculate-radio-frequency-power-density.jpg)
Antenna Calculator Links →
Impedance Calculators
These calculators are used by Mantaro engineers and provided freely for your use
J-pole antenna design calculator
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
J Pole Antenna dimension calculator
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Log periodic dipol array
Detail of the end-fed feed of a VHF log periodic dipole array
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These calculators are used by Mantaro engineers and provided freely for your use
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Detail of the end-fed feed of a VHF log periodic dipole array
![PIC-Keyer](/../antype/ch40/images/pic-keyer.jpg)
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62