Saturday, November 23, 2013

DX News


DC0KK will be on the air from Sri Lanka as 4S7KKG between through April 15th, 2014. His activity will be mainly on CW and the Digital modes. QSL via DC0KK direct, via the bureau or electronically using Logbook to the World on request. All paper QSLs for will be sent via the bureau.
F6ICX is reportedly active as 5R8IC from Saint Marie Island until December 15th. His operation is holiday style operating CW, RTTY, and PSK63 on for 20 through 10 meters. QSL via his home callsign as listed on QRZ.com.
EA5FL, EA5DY, EA5GVZ and EC5JC will activate special event station EG5MM on December 11th. This in celebration of International Mountain Day. QSL via EA5FL.
PU5IKE will be operational as ZW5AAA from Remedios Island between December 7th and 8th. This will be a 10 meters SSB only operation. QSL via PU5IKE direct with a self addressed stamped envelope, via the bureau or electronically using Logbook of the World or eQSL. QSLs from SWLs are also welcome.
DL3DXX will be active from Namibia December 24 through January 8, 2014 signing stroke V5. He will be operational on most of the High Frequency bands though modes and times were not announced. QSL via DJ2HD

 F5TLN, who is currently operational stroke OD5 from Lebanon reports that he will be there until April 2014. His activity has been mainly on 15 meter SSB. QSL direct only via his home callsign.
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My Stamp Collecting Blog

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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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