Chameleon Antenna CHA MPAS 2.0 Operator's Manual

Hf modular portable antenna system

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HF Modular Portable

Antenna System 2.0

(CHA MPAS 2.0)
Operator's Manual
Nevada - USA
WWW.CHAMELEONANTENNA.COM
VERSATILE – DEPENDABLE – STEALTH – BUILT TO LAST

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Summary of Contents for Chameleon Antenna CHA MPAS 2.0

  • Page 1: Antenna System

    HF Modular Portable Antenna System 2.0 (CHA MPAS 2.0) Operator’s Manual Nevada - USA WWW.CHAMELEONANTENNA.COM VERSATILE – DEPENDABLE – STEALTH – BUILT TO LAST...
  • Page 2: Table Of Contents

    WARNING! Never operate this antenna where people could be subjected to high levels of RF exposure, especially above 10 watts or above 14 MHz. Never use this antenna near RF sensitive medical devices, such as pacemakers. CHA MPAS 2.0 Page 2...
  • Page 3: Introduction

    High Frequency (HF) Modular Portable Antenna System 2.0 (CHA MPAS 2.0). The CHA MPAS 2.0 is designed to be the most versatile, high performance, and rugged portable / man-packable HF antenna available using the “LEGO® BLOCK” approach, as described by Survival Tech Nord.
  • Page 4: Hf Propagation

    ALE, which is the standard for interoperable HF communications, is an automated method of finding a frequency in the OWF and establishing and maintaining a communications link. CHA MPAS 2.0 Page 4...
  • Page 5: Parts Of The Antenna

    The CHA MPAS 2.0 is comprised of the following assemblies and components, see plates (2) through (4): a. Hybrid Micro The Hybrid Micro provides a mounting base and impedance matching for the CHA MPAS 2.0. The CHA Hybrid Mini performs the same function, and has the same electrical and mechanical connections as the Hybrid Micro, but is slightly larger and heavier.
  • Page 6 Line Winder The Line Winder is used to store the Antenna Wire (b) and Counterpoise Wire (k). It enables rapid deployment and recovery of the CHA MPAS 2.0. Wire Connector The Wire Connectors are terminal lugs located at one end of the Antenna Wire (b) and Counterpoise Wire (k).
  • Page 7 The Antenna Extension is used to increase the length of the Whip Antenna (o) which significantly increases the performance of the MPAS 2.0, especially on lower frequencies. Extension Connection The Extension Connection is used to connect the Whip Antenna (o) to the Antenna Extension (q). CHA MPAS 2.0 Page 7...
  • Page 8: Antenna Configurations

    Manpack Vertical The CHA MPAS 2.0 Manpack Vertical configuration is a broadband short-range HF/VHF-LO antenna. This configuration, see figure (1), use four components from the CHA MPAS 2.0: CHA MIL WHIP 2.0, CHA HYBRID MINI CHA MPAS 2.0 Page 8...
  • Page 9 Figure 1. Manpack Vertical. Site Selection and Preparation 6. Connect the UHF Connector Plug at the 1. Select a site to deploy the CHA MPAS 2.0 Integrated RFI Choke end of the Coaxial Cable (t) Manpack Vertical configuration. Best ground...
  • Page 10: Portable Vertical

    The CHA MPAS 2.0 Portable Vertical configuration, is a broadband short to medium range HF/VHF-LO antenna. This configuration, see figure (2), use six components from the CHA MPAS 2.0: CHA MIL WHIP 2.0, CHA MIL EXT 2.0, CHA HYBRID MINI 2.0, Counterpoise Wire, CHA SPIKE MOUNT, and CHA 50’ COAX. This configuration, which is especially designed to be portable, is omnidirectional and provides ground wave communication on frequencies between 1.8 –...
  • Page 11: Horizontal Nvis

    10 – 12 feet and 73 feet apart. The Horizontal NVIS configuration uses four components of the CHA MPAS 2.0: CHA HYBRID 2.0, Antenna Wire, Counterpoise Wire, and CHA 50’ COAX. Use the following procedure to install the Horizontal NVIS configuration.
  • Page 12: Sloping Wire

    UHF Connector Socket (g) on the Hybrid Micro. Sloping Wire The CHA MPAS 2.0 Sloping Wire configuration, see figure (4), is a broadband short to medium range HF antenna. It is a good general-purpose antenna, which provides acceptable ground wave and sky wave propagation, and can be hastily deployed.
  • Page 13 25 - 40 ft Figure 4. Sloping Wire Configuration. Site Selection and Preparation. 1. Select a site to deploy the CHA MPAS 2.0 Sloping 7. If installed, remove the nuts from the Base Wire configuration. The site must have a Connection (i) of the Hybrid Micro (a).
  • Page 14: Inverted "L

    Though, it will provide good performance at a height of 10 to 20 feet, and is usable when mounted as low as three feet. The Inverted “L” configuration uses five of the CHA MPAS 2.0 components: CHA HYBRID MICRO, Antenna Wire, Counterpoise Wire, CHA SPIKE MOUNT, and CHA 50’ COAX. Use the following procedure to install the Inverted “L”...
  • Page 15: End-Fed Inverted "V

    This configuration tends to be bidirectional, favoring broadside to the antenna and will provides effective ground and sky wave propagation. The End-Fed Inverted “V” configuration uses five of the CHA MPAS 2.0 components: CHA HYBRID MICRO, Antenna Wire, Counterpoise Wire, CHA SPIKE MOUNT, and CHA 50’ COAX. Use the following procedure to install the End-Fed Inverted “V”...
  • Page 16: Dipole

    (i). Use “dog bone” insulators and Paracord to suspend the antenna horizontally from both ends, and optionally in the middle, as shown in figure (7). As described, this is a temporary configuration since there is no strain relief for the connections. CHA MPAS 2.0 Page 16...
  • Page 17: Loops

    3/8” terminal lug. Use “dog bone” insulators and Paracord to suspend the antenna vertically from the top two corners and with the other corner pointing down. As described, this is a temporary configuration since there is no strain relief for the connections. Figure (8). Loop Configurations. CHA MPAS 2.0 Page 17...
  • Page 18: Vehicle Installation

    All three mounts are shown in plate (6). Fiberglass whips are not recommended due to their rigidity and high wind resistance. The stainless-steel whips and antenna mounts described here are available from the quality retailers that sell Chameleon Antenna products in their stores or on-line.
  • Page 19: Recovery Procedure

    14. Store components together in the backpack (u). Troubleshooting 1. If using the Antenna Wire (b), ensure the Wire Connector (f) is securely connected. 2. Inspect the Antenna Wire or Whip for breakage, corrosion, or signs of strain. CHA MPAS 2.0 Page 19...
  • Page 20: Specifications

    Figure (9) shows a graph of SWR by frequency for a typical deployment. Warranty The Chameleon Antenna Modular Portable Antenna System 2.0 (CHA MPAS 2.0) is warranted to be free from defects in materials and workmanship for a period of 12 months from the date of purchase. To obtain warranty service, return all components of the system to Chameleon Antenna at your expense.
  • Page 21 Figure 9. SWR by Frequency Graph. Figure 10. Manpack Vertical Far Field Plot 14 MHz. CHA MPAS 2.0 Page 21...
  • Page 22 Figure 11. Portable Vertical Far Field Plot 14 MHz. Figure 12. Horizontal NVIS Far Field Plot 7 MHz. CHA MPAS 2.0 Page 22...
  • Page 23 Figure 13. Sloping Wire Far Field Plot 14 MHz. Figure 14. Inverted “L” Far Field Plot 14 MHz. CHA MPAS 2.0 Page 23...
  • Page 24: Accessories

    MIL WHIP 2.0 and CHA MIL EXT 2.0 vertical during high winds.  Clamp Mount. The CHA JAW MOUNT has been assembled to offer portable antenna versatility for Chameleon Antenna owners. The mount orientation can easily be changed with a simple 3/16 Allen Key. Recommended non-supplied accessories: ...
  • Page 25: Chameleon Antenna Tm Products

    Chameleon Antenna Products The following products complement the CHA MPAS 2.0 and are available for purchase from Chameleon Antenna Go to http://chameleonantenna.com for ordering and more information. CHA F-LOOP 2.0 and CHA P-Loop 2.0 – The CHA F- is essential but compactness is primordial. The LOOP 2.0 Magnetic Loop Antenna is only 36”...

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