Friday, October 25, 2013

T33A Banaba Island Hopes to be Active NOVEMBER 5-18

The T33A DXpedition to Banaba Island is fast approaching and is expected to be active from November 5th to the 18th.

 It was reported on the T33A Blog Page on October 17th by co team leader Jay Kobelin, W2IJ, that the container carrying the gear for the operation has departed Suva, Fiji and was now on its way by sea to Tarawa. Also that the operations advance team will arrive in Tarawa on October 31st to attend to picking up provisions as well as to get the container unsealed and cleared through customs. They will then make certain that it is loaded onto their vessel in preparation for a November 3rd departure to Banaba Island.

 It was also mentioned that the T33A operations main sponsor is Elecraft, which is supplying six K 3 Transceivers and five KPA-500 Amplifiers. Also that the T33A team will be using the DXA interface for their operation. DXA is an innovative Web site that allows DX’ers to view the status and activities of a DXpedition in near-real-time.

For more details about this DXpedition please visit www.t33a.com.
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My Stamp Collecting Blog

My Stamp Collecting Blog

Counter Added January 1, 2011

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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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