Friday, February 19, 2010

Todays View

All that white in Michigan is snow cover. Not a cloud in sight today.

I was gonna work the radios today but ended up re-arranging some things.
That and the stamp collection took some time today.

Thursday, February 11, 2010

SUNSPOT WATCH

Sunspot 1045 is fading away, but sunspot 1046 is rapidly growing to take its place as behemoth du jour. This 2-day movie from the Solar and Heliospheric Observatory (SOHO) shows the see-saw action: Both sunspots pose a threat for isolated M-Class solar flares. According to NOAA, the total probability of such an eruption in the next 24 hours is 30%. The chief effect of M-flares on Earth is to ionize our planet's upper atmosphere. This can alter the normal propagation of radio signals, boosting some frequencies while suppressing others. Radio listeners should be alert for blackouts and sudden ionospheric disturbances (SIDs).

Are TGFs Hazardous to Air Travelers?

Terrestrial gamma-ray flashes (TGFs) surge through thunderstorms at about the same altitude where commercial airliners fly. Do these blasts of gamma-radiation pose a hazard to air travelers? Researchers discuss the possibilities in today's story from Science@NASA.

Wednesday, February 10, 2010

GPS set for problems from the Sun

Researchers say the Sun is awakening after a period of low activity, which does not bode well for a world ever more dependent on satellite navigation.
The Sun's irregular activity can wreak havoc with the weak sat-nav signals we use.
The last time the Sun reached a peak in activity, satellite navigation was barely a consumer product.
But the Sun is on its way to another solar maximum, which could generate large and unpredictable sat-nav errors.
More...

Tuesday, February 9, 2010

Garmin GPS: Year 2010 bug - possible pitfall for APRS Ops

This might be interesting to all GPS users - especially APRS operators. There seem to be a year 2010 bug with some Garmin devices. When switching on date and time are calculated wrong. But making it even worse almanac data is also lost. So it needs to search for all satellites whenever it is turned on (cold boot). Indeed the whole celestial mechanics is wrong: trying to display sunset
More...

Friday, February 5, 2010

Huge Snow Storm

Many of you already are aware of this. Huge storm to hit the east coast of the United States.

Powerhouse snowstorm to wallop the East... Developing...
Watches/Warnings...
RADAR...
Virginia declares state of emergency...
Snow clean-up burden for cash-strapped states...

EARTH-DIRECTED ERUPTION?

NASA's STEREO-B spacecraft is tracking four active regions strung across the eastern hemisphere of the sun. Click on the image below to set the scene in motion--and keep an eye on number 4.

The movie shows an eruption of unstable magnetic loops. The blast occured around 0130 UT on February 5th and may have hurled some material in the general direction of Earth. (Our planet is off the right edge of the image.) The Solar and Heliospheric Observatory (SOHO) has a direct view of the blast site and it may be able to help evaluate this possibility.

UPDATE:
There is a gap in SOHO image data spanning the time of the eruption. At present, there is no sign of a major CME heading toward Earth, but a lesser cloud could be en route. Polar sky watchers should be alert for auroras on or about Feb. 8th.

Wednesday, February 3, 2010

Spring 2010 Skywarn Training Schedule

Spring 2010 Skywarn Training
Febuary 20, 2010. Muskegon, MI
9:00am EST.
Muskegon Community College Room 1100 Stevenson Center
221 S. Quarterline Road
Muskegon, MI 49442

Skywarn Training Schedule for Southwest Lower Michigan

Up-Coming Event; AM Transmitter Rally

Building on the success of AM-specific operating events such as the Heavy Metal Rally, 1st Wednesday AM Night, and the Antique Wireless Association's Amplitude Modulation QSO Party, organizers announce the AM Transmitter Rally taking place February 6 on 160-10m using 'standard' Amplitude Modulation.

The purpose of this event is to encourage the use of Amplitude Modulation on the Amateur Radio Bands, and to highlight various types of AM equipment in use today.

This event is open to any and all radio amateurs who are running full carrier amplitude modulation (standard AM), and any type of equipment may be used.

Although there is a "points" system to encourage friendly competition, there is also an awards incentive for categories that showcase the relaxed, satisfying nature of receiving and transmitting conversations on AM.

The event runs from 6:00 AM E.S.T. Saturday morning Feb. 6, to 2:00 AM E.S.T. the following day.

Commonly used AM Frequencies:
160 Meters: 1880-1885, 1930, 1945, 1975-1995.
80 Meters: 3730-3740, 3870-3885.
40 Meters: 7160, 7280-7295.
20 Meters: 14286.
15 Meters: 21425.
10 Meters: 29000-29200.

Complete details with scoring, awards, logbook templates, and additional information is at:
http://www.classeradio.com/amtr.pdf

Tuesday, February 2, 2010

1926 Standard Postage Stamp Catalogue

What a treat.....Thank you to whoever sent me the (1926 Standard Postage Stamp Catalogue) It is really awesome. No return address or anything on box. Just my address.

Monday, February 1, 2010

Just Thinking

I wish outer space guys would conquer the Earth and make people their pets, because I'd like to have one of those little beds with my name on it.

Gaua Volcano, Vanuatu

Eruptions have increased at Gaua volcano, Vanuatu during January. Ash emissions have increased significantly since 16th January. Ash emissions reached a height 3000 m. Strombolian eruptions occurred on 24th January. Explosions were seen and heard from villages on the east coast of Gaua on 29th January. Water level in Lake Letas has risen up to 30 cm since 22nd January. People are advised to avoid the volcano until further notice.

Saturday, January 30, 2010

My Dog

Something happened to my dog tonight, I am not for sure what. She ran around the house, jumped on the couch, then her eyes rolled and she fell off the couch. Her body stiffened and then she quit breathing. Almost like a seizure. We called every vet in Muskegon and none would see her. Got to wait till Monday and see our vet. Some of the vets would see her if we had been under their care currently. No humanity anymore.

TERRESTRIAL GAMMA-RAY FLASHES

There's a mystery in the skies of Earth. Something is producing bright flashes of gamma radiation in the upper atmosphere of our own planet. A spacecraft called 'Firefly' is going to investigate:
full story.

Contest this Weekend.

The 2010 Winter Field Day will be held from 1700 UCT (12:00 noon EST) Saturday January 30, 2010 through 1700 UCT (12:00 noon EST) Sunday January 31, 2010. The object of the event is familiar to most Amateur Radio operators: set up emergency-style communications and make as many contacts as possible during the 24 hour period. The rules encourage as many contacts on as many bands and modes as possible, because during a real emergency, the most important factor is the ability to communicate, regardless of band, mode or distance.

There is also the CQ World Wide 160-Meter Contest.

I do not know how much contesting I will do but plan on being out there.

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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