CHA EMCOMM III Portable Product DNA: Complete System Overview

A customer should be able to see the complete antenna before buying: the radiator, transformer, feed line, return path, support, and what the package does not include.

The CHA EMCOMM III Portable gives a field station more wire and more deployment choices than the smaller EMCOMM II V2 while remaining a one-pound, one-operator system. Its 73 ft radiator, transformer, line winder, and suspension hardware are designed to move from a backpack to an operating site in under 15 minutes.

What matters for this decision

• The operator can choose a sloping wire or inverted-L when there is time to use one or two supports, an end-fed inverted-V when one center support and a faster layout make more sense, or a horizontal NVIS arrangement when regional coverage is the priority.
• Matching transformer, 73 ft insulated antenna wire, and line winder.
• Carabiner, paracord/suspension attachment, and insulator hardware described by the current product package.
• The current guide recommends a counterpoise for most configurations; confirm the selected listing for included return-wire hardware.
• Coax, additional support line, stakes, and site supports remain complete-system decisions.
• Use the current product listing to confirm the exact purchased variant and package contents.

Why operators choose this system

The operator can choose a sloping wire or inverted-L when there is time to use one or two supports, an end-fed inverted-V when one center support and a faster layout make more sense, or a horizontal NVIS arrangement when regional coverage is the priority.

Published operating reference

• Published continuous frequency range: 1.8–55 MHz.
• Published power: 50 W continuous duty and 100 W intermittent duty.
• Published wire length and weight: 73 ft and approximately 1 lb.
• Published setup: one trained operator in less than 15 minutes.

Make the next deployment repeatable

Record product revision, configuration, wire dimensions and bearings, endpoint heights, support hardware, return path, coax and choke condition, tuner state, analyzer reference plane, weather, and on-air reports.