Wednesday, May 19, 2010

MAARC/W8ZHO 2m Net

Tonight's net went well. We had 7 check-ins. Training topic was on Q-Codes, the history and some of the meanings. Had a great response for the topic.
Read some of the Amateur News that was posted on QRZ.
Net start time was 7pm
Closed Net at 8:03

KD8BIG- NCS
Check-ins;
W8QAY
W8KID
KC7NEC
KD8FBY
W8LGP
W8SWX
N9AUY.

ANNOUNCEMENTS;

Board Meeting

Thursday May 24, at 7:00 PM
at the Clubhouse


Club Meeting

Thursday June 3, at 7:00 PM
at the MAARC Clubhouse
Program: Field Day by NA8M
also

Special Guest Speaker: Scott McNeill
on 501c3/501c7 tax status.

VE Test Session
Saturday, June 12, at 9:00 AM

Clubhouse Cleanup Party
May 22, 11am - 5pm

Operation Care 2010
W8ZHO
Operation Care 2010 Managers


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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