Monday, May 10, 2010

New Kenwood Rigs.

From Kenwood on May 7, 2010
Website: http://www.kenwood.co.jp/en/news/2010/20100507.html

Launch of New Amateur Radio Products:

Kanagawa, Japan, May 7, 2010 — Kenwood Corporation, an operating company of the JVC Kenwood Group, is proud to announce the autumn/winter launch of two new Amateur Radio transceivers: the TS-590S and TH-D72.

HF/50MHz All-Mode Transceiver - TS-590S (tentative naming)
Featuring a 32-bit floating-point DSP, the TS-590S will offer advanced receiver performance and an extensive range of features that make it ideal for beginner and seasoned DX’er alike. The radio’s exceptional ease of operation, true to the Kenwood tradition, will be especially welcome for contest and mobile applications.

144/430MHz Dual Band FM Portable - TH-D72 (tentative naming)
The APRS® capability found on Kenwood’s TH-D7* and TM-D710 has been upgraded for the TH-D72. Thanks also to the internal GPS unit, APRS operations will be more enjoyable than ever. The TH-D72 also offers EchoLink® memory compatibility and a mini-USB connector for enhanced computer connectivity. This transceiver is sure to make ham radio operations easier and more fun for all.

* For overseas model/Discontinued model

Anyone interested in these two models will be able to view product samples at: Dayton Hamvention 2010 (Dayton, Ohio, USA, May 14-16), and HAM RADIO 2010 (Friedrichshafen, Germany, June 25-27).

Please note that as these products are under development features and specifications are subject to change without notice.

APRS is a registered trademark of Bob Bruninga in the USA.

EchoLink is a registered trademark of Synergenics, LLC in the USA.

For further information, please contact:
Advertising and Publicity, Strategic Corporate Planning Division, JVC KENWOOD Holdings,Inc.
Tel: +81-45-444-5306 Fax:+81-45-444-5319 E-mail: pr.qa@kenwood.co.jp Or contact your local Kenwood PR representative in your country

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HOW TO READ PROPAGATION NUMBERS

The A index [ LOW is GOOD ]

  • 1 to 6 is BEST
  • 7 to 9 is OK
  • 11 or more is BAD

Represents the overall geomagnetic condition of the ionosphere ("Ap" if averaged from the Kp-Index) (an average of the eight 3-hour K-Indices) ('A' referring to amplitude) over a given 24 hour period, ranging (linearly) typically from 1-100 but theoretically up to 400.

A lower A-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Ap-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

SFI index [ HIGH is GOOD ]

  • 70 NOT GOOD
  • 80 GOOD
  • 90 BETTER
  • 100+ BEST

The measure of total radio emissions from the sun at 10.7cm (2800 MHz), on a scale of 60 (no sunspots) to 300, generally corresponding to the sunspot level, but being too low in energy to cause ionization, not related to the ionization level of the Ionosphere.

Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; Solar Flux rarely affects the 30, 40, 60, 80, & 160 Meter Bands.

K index [ LOW is GOOD ]

  • 0 or 1 is BEST
  • 2 is OK
  • 3 or more is BAD
  • 5 is VERY VERY BAD

The overall geomagnetic condition of the ionosphere ("Kp" if averaged over the planet) over the past 3 hours, measured by 13 magnetometers between 46 & 63 degrees of latitude, and ranging quasi-logarithmically from 0-9. Designed to detect solar particle radiation by its magnetic effect. A higher K-index generally means worse HF conditions.

A lower K-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Kp-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

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