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mission that reveals the sun's solar wind is at a 50-year low
solar wind which propagates throughout the solar system at about 450 km/sec. The solar wind and the much higher energy particles ejected by solar flares can have dramatic effects on the Earth ranging from power line surges to radio interference to the beautiful aurora borealis.
The changing radio wave propagation for long-distance communications, due to the 11 year sunspot cycle, is always a factor for these frequencies. In addition, CB in some respects became a victim of its own intense popularity. Because of the millions of users jamming onto frequencies during the mid-to-late 1970s and early 1980s,
Sunspots increase and decrease through an average cycle of 11 years. Dating back to 1749, we have experienced 22 full solar cycles where the number of sunspots have gone from a minimum, to a maximum and back to the next minimum, through approximate 11 year cycles. We are now well into the 23rd cycle, with the 24th cycle right around the corner. The number of sunspots in this cycle reached a peak in May, 2000 where the number of sunspots were measured at near 170. A secondary sunspot maximum occurred near the beginning of 2002 where the sunspot number was about 150. The next sunspot minimum is forecast to occur in late 2006 through mid 2007. A chart of cycle 23 is available at the NOAA Space Environment Center.
Dark spots, some as large as 50,000 miles in diameter, typically move across the surface of the sun, contracting and expanding as they go. These strange and powerful phenomena are known as sunspots, but now they are all gone. Not even solar physicists know why it’s happening and what this odd solar silence might be indicating for our future.
Originally posted by beforetime
Dark spots, some as large as 50,000 miles in diameter, typically move across the surface of the sun, contracting and expanding as they go. These strange and powerful phenomena are known as sunspots, but now they are all gone. Not even solar physicists know why it’s happening and what this odd solar silence might be indicating for our future.
Originally posted by beforetime
...turn your cb radio on try to talk skip. ...
you can get lucky on skip atm if you talk right before a big storm come's in.
it ride's and skip is possible for maybe 3 to 5 minute's. ...
Most FM transmissions only travel a little over 25 miles which is a straight line between the transmitter and the receiver before the earths curvature means the ground blocks the signal. Some of the RF however goes upwards and bounces back off the ionosphere and comes down many miles away. This as I say is called skip in radio ham terms and is how in some cases you can talk to an American trucker on a low power CB radio in London if the conditions are right
stronomers have identified ultrasoundlike waves in our sun’s atmosphere that could explain some strange aspects of solar weather. An analysis of data from NASA’s TRACE spacecraft published in the current issue of Astrophysical Journal Letters suggests that the waves could be responsible for the star’s unexplained extra heat.The surface of the sun reaches a blistering 6,000 degrees Celsius. The chromosphere, or middle solar atmosphere, is even more scorching at 100,000 degrees Celsius, whereas the solar corona is the hottest part of all, with temperatures nearing a million degrees Celsius. Just what causes these wide discrepancies in temperature has intrigued researchers for decades. Craig DeForest of the Southwest Research Institute and his colleagues analyzed data from the TRACE ultraviolet telescope and found evidence of waves with a frequency of 100 millihertz, which corresponds to a sound 300 times deeper than the lowest noise audible to the human ear. “These ripples seem to be carrying about one kilowatt of power per square meter on the surface of the sun,” says DeForest. “That is similar to the sonic energy you might find coming out of the speakers at a rock concert. “The researchers did not get a very detailed look at the waves, because they are close to TRACE’s detection limit. They expect that future instruments will allow them to investigate the waves more fully. “By examining these waves more closely, we should be able to discern the source of energy release in the solar atmosphere, just like you can tell by listening whether the car is running in a dark garage,” says DeForest. “In both cases, something is releasing energy into the environment, and that release has a recognizable sonic signature.” — Sarah Graham
The use of pulsed lasers to generate ultrasound in the non-contact regime is a well documented technique. A variety of lasers have been used to generate ultrasound in a range of materials, but all so far have allowed the laser to impinge directly on the sample or on a constraining layer in contact with the sample. It is also well known that the plasma generated at the surface of a sample when hit by a fast pulse of laser light is the most efficient mechanism for generation of longitudinal ultrasonic waves. One of the factors that has limited the use of lasers in ultrasonic generation is the fact that they can damage the surface of a sample. This damage can range from pitting or cracking the surface to the removal of a surface coating, such as a paint. We report here a technique that uses the plasma created by a focused pulsed laser beam to generate ultrasound without the sample actually being illuminated directly by the laser light.
Indeed, this mode corresponds to a vibration of the atoms in a direction parallel with that of the dipole moments
Originally posted by desertdreamer
reply to post by beforetime
You should get away from being the everyday normal LID, and get your amateur radio license......then you can really talk skip.
Originally posted by beforetime
www.youtube.com...
watch that its a cb radio with skip transmission's coming in.
infoex.hemscott.net...
Most FM transmissions only travel a little over 25 miles which is a straight line between the transmitter and the receiver before the earths curvature means the ground blocks the signal. Some of the RF however goes upwards and bounces back off the ionosphere and comes down many miles away. This as I say is called skip in radio ham terms and is how in some cases you can talk to an American trucker on a low power CB radio in London if the conditions are right
now do you understand the term skip talking?
basically what ive noticed over the last few years..is a increasing in the skip hearing the other person.
but recently around 6 month's or so i dont know one local cd radio user to get over a 30 sec hello.
to confirm they hear them in another state or country.
that means sunspots are not carrying the radio wave as with previous years before.
[edit on 22-9-2008 by beforetime]
Originally posted by beforetime
Originally posted by desertdreamer
reply to post by beforetime
You should get away from being the everyday normal LID, and get your amateur radio license......then you can really talk skip.
HAM radio is ok...but don;t like the fcc so much.
cb radio's allow you to do stuff you shouldn't be doing..if you know what im talking about.
i can listen to every ham radio op i want.. just no license to key up lol
ham is on a way higher frequency than cb radio's.
might be why skip is messed up..due to the no sun spot's.
There are no channels authorized in the CB Radio Service above 27.405 MHz or below 26.965 MHz
www.arrl.org... ham radios freq way to many to list.
2300-2310 MHz
2390-2450 MHz
3300-3500 MHz
5650-5925 MHz
10.0-10.5 GHz
24.0-24.25 GHz
47.0-47.2 GHz
76.0-81.9 GHz*
119.98-120.02 GHz
142-149 GHz
241-250 GHz
All above 300 GHz
and below.
thats my point cb radio freq. is less adjusted to no sunspot's...and show's something to us.
what is that beats me.. i know it cant be to good.
all i know is the sun is doing it to cb radio.
The fact that one must pay to be licensed for a thing that no one has created, manufactured, or can control, chafes. What arrogance.
Originally posted by beforetime
HAM radio is ok...but don;t like the fcc so much.
cb radio's allow you to do stuff you shouldn't be doing..if you know what im talking about.
i can listen to every ham radio op i want.. just no license to key up lol
ham is on a way higher frequency than cb radio's.
might be why skip is messed up..due to the no sun spot's.
There are no channels authorized in the CB Radio Service above 27.405 MHz or below 26.965 MHz