Friday, January 3, 2014

DX News 1-3-2014

In DX, word that the only two stations in the South Sudan are off the air due to the current internal political strife. These are Z81B and Z81D and indications are that there will not be any further ham radio signals from that new nation until conditions stabilize. More on this as information becomes available.
DX-World.net reports that WA5A will be on the air stroke 5Z4 from Kenya until about January 28th. His operation will be holiday style on the High Frequency bands. QSL via his home callsign.

LA7GIA is expected to be active from Malawi as 7Q7GIA for one week in May or June. QSL’s will via his home callsign. No other information is available at this time.

IK2PZC will be active from Morocco as 5C2P between February 6th and the 9th. His operation will be on the High Frequency bands using SSB and RTTY. QSL via IK2PZC.

ON7WP stroke C5WP has announced that he and ON7YK stroke C5YK are or will be the only two permanent licensed hams in The Gambia for 2014. At least as of now. More information is at C5CP on QRZ.com

YV5IAL will be active stroke CE2 from Valparaiso, Chile through January 30th. His operation will be on 40 through 10 meters using PSK-31 with some SSB. QSL via his home callsign either direct or via the bureau.

Lastly, F6BLP will be operational from Senegal through January 31st as 6W7SK through January 31st. His location will be about 80 kilometers south of the city of Dakar. Activity will be holiday style operating mainly CW on 80 through 10 meters. Some 160 meters is possible. QSL to F6BLP, either direct or via 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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