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  3. COMET ANTENNA CHA-250HD

COMET ANTENNA CHA-250HD Broadband Vertical Radials 3.5-57MHZ

Cha-250hd Comet Antenna 3.5-57mhz Broadband Vertical With No Ground Radials -

( Brand: Comet Antenna ), ( Type: Base Antenna ), ( Manufacturer Part Number: CHA-250HD ), ( Item Weight: 15.0 )

Review COMET ANTENNA 3.5-57mhz Broadband Vertical No Ground Radials

The Comet Antenna CHA-250HD is a versatile and high-performance antenna designed for use in the 3.5 to 57 MHz frequency range, making it an excellent choice for shortwave radio listening and amateur communications. This antenna is a broadband vertical design, which means it covers a wide range of frequencies with minimal distortion or loss.

The CHA-250HD is constructed with a corrosion-resistant aluminum dipole element and fiberglass radials. The broadband vertical radial design consists of 10 radials, each 13.2 meters (43.3 feet) long, which are arranged around the base of the antenna in a circular pattern. This design provides excellent ground system coupling and reduces the need for a separate ground system, making installation simpler and more cost-effective.

The antenna is equipped with a high-quality, double-shelded, RG-213U coaxial cable, which is 15 meters (49.2 feet) long, providing ample length for most installation scenarios. The cable terminates in a UHF connector, which is both rugged and reliable.

The CHA-250HD features a detachable base, which makes it easy to transport and install. The base is made of powder-coated aluminum, providing both durability and protection from the elements. The antenna can be easily mounted to a mast or tower using the provided U-bolt mounting bracket.

This antenna is designed to be used in a variety of environments, from urban settings with high levels of electromagnetic interference to rural areas with minimal interference. Its broadband design ensures that it will perform well across a wide range of frequencies, making it a valuable addition to any radio communications setup.

In summary, the Comet Antenna CHA-250HD is a high-performance, broadband vertical antenna suitable for use in the 3.5 to 57 MHz frequency range. Its corrosion-resistant construction, fiberglass radial design, and detachable base make it a durable and versatile choice for both amateur communications and shortwave radio listening. With its easy-to-install design and high-quality components, the CHA-250HD is an excellent value for radio enthusiasts and communications professionals alike.

The Comet Antenna CHA-250HD is a 3.5-57 MHz broadband vertical antenna designed for use with ham radios and other communication systems. Here are some potential pros and cons of buying this antenna:

Pros:

1. Broadband coverage: The CHA-250HD covers a wide frequency range, making it a versatile choice for various communication applications.

2. Vertical design: A vertical radiator design makes this antenna ideal for use in urban environments where space is limited and ground radiation is minimized.

3. Durable construction: The antenna is made of high-quality materials, including a corrosion-resistant finish, which ensures long-lasting performance.

4. Easy installation: The antenna can be installed without the need for a separate tuner, making it a convenient option for those who want a simple setup.

Cons:

1. Potential for SWR issues: Some users have reported issues with standing wave ratio (SWR) when using this antenna, which can affect the performance and reliability of the communication system.

2. Limited gain: The CHA-250HD has a relatively low gain compared to other antennas in its class, which may affect its ability to reach long-distance communication targets.

3. Cost: The antenna is more expensive than some other options on the market, which may be a consideration for those on a budget.

Conclusion:

The Comet Antenna CHA-250HD is a high-quality, versatile antenna with a wide frequency range and a durable design. However, it may not offer the highest gain and can potentially have SWR issues. Its ease of installation and suitability for urban environments make it an attractive option for many users, but its cost may be a drawback for some. Ultimately, the decision to buy this antenna depends on individual communication needs and budget considerations.

Recommendation:

If you require a broadband antenna with a vertical design and are willing to pay a higher price for durability and ease of installation, the Comet Antenna CHA-250HD may be a good choice for you. However, if you prioritize maximum gain or are working with a limited budget, you may want to consider alternative options. It's always recommended to thoroughly research and compare different antennas to find the one that best fits your communication needs and budget.

Details:

The top section of aluminum has been replaced with a solid whip for greater flexibility and less strain on the lower sections in high winds. Yes, some of the RF that enters power feeding section is turned into heat rather than transmitted as RF, but one compromises needed to create a broad-band, low SWR, multi-band HF Antenna with minimal visual pact. The CHA-250HD Transformer Section This is a the magic behind CHA-250HD, transformer matching section. 3.5-57MHz broadband vertical with NO GROUND RADIALS.

The transformer on the original CHA-250 had smooth sides. Specific Freq. Technical Specifications: Manufacturer: NCG Comet Product Narrative: CHA-250HD New version of the CHA-250B. The current version has a heat sink to dissipate created inside the transformer.

Type: Base Antenna.

part #: cha250hd price

  • $539.95

specifications radiorigor:

  • brand: Comet Antenna
  • type: Base Antenna
  • manufacturer part number: CHA-250HD
  • item weight: 15.0

seller radiorigor:

  • city: Rexford, Montana
  • rating: 100.0%
  • # reviews: 36794

payments radiorigor:

  • wallet: Paypal
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  • policy: No Returns

general radiorigor:

  • condition: New
  • Radio Communication > Antennas > Other Radio Antennas

offer radiorigor:

  • availability: In Stock
  • started: October 24, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 2

shipping radiorigor:

  • transit: 4-6 Days
  • cost: $0.00
  • class: Standard
  • service: Standard
  • type: Fixed
type: base antenna, item weight: 15.0,
category: electronics > radio communication > antennas > radio antennas, sku: 1615437232140722,

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1 offer $539.95 USD
  • New. Offer #1 priced at $539.95 + $0.00 delivery = $539.95* total. Type: Base Antenna. (New version of the CHA-250B).FREE SHIPPING

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