Saturday, December 31, 2011

Radio Amateur Society of Thailand Needs Our Help

Ham radio groups from around the world are being asked to assist the Radio Amateur Society of Thailand which is seeking help to rebuild its headquarters station, HS0AC. This following massive flooding that recently hit that nation not long ago.
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According to Dick Flanagan, K7VC, in Minden, Nevada, there have already several offers of equipment to the Radio Amateur Society of Thailand from members of the Northern California Contest Club. Also Rusty Epps, W6OAT, reports that the Yasme Foundation sent the Radio Amateur Society of Thailand a $2,000 donation to assist in the HS0AC rebuilding effort. But that will be only the beginning of what’s required to bring the station back on the air.

Flanagan says that what is probably needed most right now is someone or some organization to coordinate the assistance effort, solicit the offers and manage the shipping and paperwork. He speculates that perhaps that administrative role could be taken on as a cooperative effort between the Northern California Contest Club, the Northern California DX Club, the International DX Association and perhaps the ARRL.

K7VC notes that this would be a wonderful way for individuals and clubs to express their holiday feelings of generosity to our fellow hams in need, He adds that we can use this opportunity to demonstrate to our Thai ham radio brothers and sisters what a coordinated effort can do to help them rebuild their wonderful station. Those with suggestions can contact Dick Flanagan by e-mail to dick (at) k7vc (dot) com.

Photos of the devastation that the flooding brought to HS0AC at on-line at www.qsl.net/rast.

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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