Saturday, December 31, 2011
DX info for the Up-Coming Week
SM6CPY, will be on the air from Rwanda in a holiday style operation signing 9X0PY through January 7th . QSL via SM6CPY.
DL1ZU is on a trip in Namibia through Jan 13th using an Icom IC-706. His primary operating modes will be CW plus PSK, RTTY and SSB. QSL via his home call.
EA1CYK/P will be operational from Deception Island in the South Shetland group during his spare time until March of 2012. He has been spotted with a good signal on 10 meters QSL via EA7LS.
G3SWH and G3OLU will be active from the Hawane Resort in western Swaziland between February 21st to the 29th. Propagation permitting, they plan to have two stations on the air for as many hours every day as is possible. Operation will be on CW only on 80 through 10 meters. QSL via G3SWH
Lastly, An international group of operators plan to visit Pitcarin Island and operate as VP6T between January 20th and February 4th. According to a web posing the operation hope to make at least 30,000 contacts while on the island. Operations will be on 160 through 10 meters including the 30, 17 and 12 meter bands. Modes to be used include CW, SSB and RTTY. The VP6T log will be uploaded to Logbook of the World during the operation if possible. QSL Manager is G3TXF. In addition to the usual routes they will also be using the new Online QSL Request Service provided by ClubLog. For more details and the suggested frequencies please visit www (dot) vp6t (dot) org.
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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