Monday, January 3, 2011

Amateur Radio Antenna and Power Lines

It's a story we hear of so many times. Amateur Radio Operators installing an antenna and not paying attention. Please my friends, look above before installation.

A 22-year-old Venice woman was hospitalized late Saturday after she was reportedly shocked by a power line.

According to the Sarasota County Sheriff's Office, Rachel Hinkle was erecting a structure in the 300 block of Sea Grape Road just after 11:30 p.m. when it touched the overhead electrical wires.

Hinkle was taken to Venice Regional Medical Center in serious condition.

Power was restored to most of the neighborhood.

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Portable HF Station

This is cool. I got an e-mail and also discovered this is also posted on the SARC page.
It is a long video.

Graig VK3VCM has produced a 1080p HD video giving his ideas and tips on how to successfully operate full power portable HF.

The YouTube description reads:

My ideas and tips on how to successfully operate full power portable HF and have a great day operating an Amateur Radio HF Station outdoors.

There are two types of 'portable'... If you're planning on running a few watts QRP then 'portable' means a backpack and off you go... however if you want to run a bit more power portable, you'll need to consider a few extra things which are surprisingly easy to overlook... I know this because on a few occasions I overlooked them!

Hopefully this video helps or inspires someone, somewhere, to get out and operate portable! I'm keen to get your ideas and tips on how to make portable operation more fun and easier too.. please comment and reply with your own videos.

73, Craig VK3VCM

Watch How I operate my 100 watt HF Portable Amateur Radio Station by Craig VK3VCM



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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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