Friday, January 7, 2011

Special Event Station VE8SUN

A world that is in 24 hours of darkness this time of year, we hope to hear that radio signal come through our transceivers. A call from special events station VE8SUN.
VE8SUN will celebrate the return of the sun in Inuvik, located in the Northwest Territories. It’s a small dot above the Arctic Circle, the sun sets for the last time every year on December 6th and does return again until January 7th.
This year on January 8th and 9th, 1800Z-2359Z, the Inuvik Amateur Radio Club will operate VE8SUN during the annual Inuvik Sunrise Festival
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Meteor Scatter - Geminids 2010

The Geminids meteor shower last month, December 2010 got a lot of attention from amateur astronomers, Meteoritics and amateur radio operators. Here is a great article written by Dr David Knight of the Norman Lockyer Observatory Radio Club.
Dr Knight monitors a high-power transmitter close to the Alps on 143.049.
This article displays a Long head echo with pronounced overshoot, but no trail echo. This is probably due to a satellite in low Earth orbit. This is common, hearing reflections from aircraft. The question was asked by G4VXE, if this would work with Satellites and the ISS?
Read the article by Dr. Knight; click here
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This Weekends Contest

I might give it a try, then again I have not been on the radio very much this week. Actually I think the last time I was on was New Years Eve.
This weekends contest. Good Luck.
QRP Fox HuntJan 7
NCCC Sprint LadderJan 7
PODXS 070 Club PSKFestJan 8
Hunting Lions in the Air ContestJan 8-9
MI QRP January CW ContestJan 8-9
WW PMC ContestJan 8-9
ARRL RTTY RoundupJan 8-9
North American QSO Party, CWJan 8-9
EUCW 160m ContestJan 8-9
SKCC Weekend SprintJan 9
NRAU-Baltic Contest, CWJan 9
DARC 10-Meter ContestJan 9
NRAU-Baltic Contest, SSBJan 9
Midwinter ContestJan 9
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My Stamp Collecting Blog

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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