Wednesday, October 23, 2013

LDG AT-600ProII AutoTuner

Time was, 100 watts was a lot of power. Today, more and more mid-sized amps with 500 watts output are becoming popular. The LDG AT-600ProII is designed for this new generation of power levels.
The AT-600ProII will handle up to 600 watts SSB and CW and 300 on RTTY (1.8 – 30 MHz) and 250 watts on 54 MHz. It features LDG’s state-of-the-art, processor-controlled Switched-L tuner. It will match virtually any kind of coax-fed antenna, including Yagis, dipoles, inverted Vs, slopers, loops, just about anything. It will typically match a 10:1 SWR down to 1.5:1 in just a few seconds. You can also use the AT-600ProII with longwires, random wires and antennas fed with ladder line just by adding a balun.
The AT-600ProII features two antenna ports with a front-panel indicator showing which is in use, and separate memory banks for each antenna. The optional M-600 4.5" analog meter shows FWD (100 and 600W scales), REV, or SWR in Peak or Average. Easy to read LED bar-graph meters showing RF power, SWR and tuner status, tactile feedback control buttons and an LED bypass indicator complete the user interface. Any power source from 11 – 16 volts DC can be used; the AT-600ProII only draws up to 750mA.
Cycle 24’s not going anywhere any time soon. If you power up, LDG’s got your back with the new AT-600ProII. Order yours today.

More Info; Click Here 
 

New Equipment Strengthens ability to Communicate after any Disaster

Sick of hearing about scientists’ prediction that  much of the northern West Coast, including Del Norte, is due for a catastrophic earthquake and tsunami?
Well, local emergency officials are far from sick of reminding you, and they continue to beef up emergency infrastructure for when “the big one” strikes.
Last weekend, a 59-foot ham radio tower engineered to withstand a large earthquake was installed at the headquarters of the Del Norte Amateur Radio Club  located at the Del Norte American Red Cross building.
“In a big disaster, ham radio has been proven to be that one  form of communication that is always the last one standing,” said Cindy Henderson, Emergency Services Manager for Del Norte County, adding that cell phone towers are likely to go down in an earthquake.
During Hurricane Katrina, ham radio was the last communication available, Henderson said, adding, “Ham radio is one of those things that is going to save lives.”

To read the rest of the story. Click Here 

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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