Saturday, January 11, 2014

DX News

In DX, ON6DX has announced the dates for his TY1TT operation fro Grand Popo will be January 26th through and February 5th. He plans to operate on the highest possible bands. For updates visit his website at dxpedition.be/Benin.html

AF1G is now living and working on Andros Island signing slash C6A. He will be there until November 20th and is expected to be on 80 through 6 meters on SSB. QSL via Logbook of the World or direct to Tim Hardy, PSC 1012 Box 593, FPO AA 34058-9998, USA.

JA3ARJ and JA1CJA will be active as TO3JA from Martinique between January 12th to the 19th. No other details are yet available. QSL via JA3AVO, direct, by the bureau or Logbook of the World.

Lastly, F5MVB and F5AOW are planning to be operational sometime in 2014 as 5V7MP and 5V7BJ, respectively from Avepozo. Details on bands, modes and dates have not been announced yet, but should soon be forthcoming. QSL via their home callsigns, direct or by the bureau.

My Stamp Collecting Blog

Counter Added January 1, 2011

free counters

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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