CHAMELEON ANTENNA · FIELD JOURNAL
Practical antenna knowledge for real deployments.
Clear field lessons, engineering explanations, deployment decisions and product-system guidance—written for operators, not algorithms.
Antenna Engineering
How to Read an NEC Elevation Pattern Without Being an RF Engineer
An elevation plot answers a practical question: how strongly does the modeled antenna send energy at each angle above the horizon? Learn to read the lobe, take-off angle, gain and nulls.
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Why Five Feet Can Change a Portable Vertical More Than a New Accessory
Before replacing a portable vertical, test the complete system at a different feed-point height. Ground loss, nearby structures, return-path geometry and coax current can all change with elevation.
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