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A German proprietary trading firm is to close later in 2013 as a result of the “significant” burden of European regulations, becoming one of the first casualties of the country’s tougher stance on high-frequency trading.
blogs.wsj.com/moneybeat/2013/06/05/german-firm-quits-over...
after adding a software calibration constant, the readings are much closer and within acceptable tolerance, now.
Marcus slided with his naked ass above every car-front-lid! Its getting cold for sure - so so his ass got wet. I love music festivals ^^
Meters used to monitor the SXS Switch.
From the left is a frequency meter generally used to monitor the frequency of the ringing renerator. Followed by various volt meters. On the far right is a meter relay. This device had high and low contacts that when adjusted would detect high and low voltages and sound a switch alarm.
A great display of aurora last night in Ruka, northern Finland lasting several hours. This was the last of it as it faded.
To find out the true frequency I need another transmitter or reference VFO that can transmit in this range. The way the morse receiver works the frequency displayed is not the actual frequency it's listening to, though the difference isn't large.
HMK Irregular Frequency Mystery Stream can be found here: www.podomatic.com/podcasts/hmk - 100% Music, ambient noise and sound bites + Zero me talking! #irregularfrequency @cgrubersatx
Homebrew 50 MHz Frequency Counter built in 1972. At the time, a 50Mhz was pretty advanced. My own design, but functionally it was similar to an HP 10MHz counter that used nixie displays. I think there are about 50 DIP chips, mostly 7400 TTL, on 8 PC boards. The largest board is about 4" x 12" with 21 DIPs (3 per decade), hidden in the base of the chassis. Today, this could be built with a few inexpensive chips, with much better performance. But, it still works, and I built it, so I use it... ;-)
Along either a feeder to or Ripley creek proper I found a section that widens out and is much more shallow, perfect for these kinds of ice formations. They're like sheets that lie over the water running below.
Free Photos – High Frequency Compression Driver
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Testing one, two and now, three.
Radio frequency testing has begun on the first Orion spacecraft that will fly around the Moon for the Artemis 1 mission, just two weeks after thermal and environmental tests were completed at NASA’s Plum Brook Station in Ohio, USA.
Electromagnetic compatibility or EMC testing is routine for spacecraft. All electronics emit some form of electromagnetic waves that can cause interference with other devices. Think of the buzz that speakers give out right before an incoming call on a mobile phone.
Spacecraft electronics can cause similar interference, but out in space such interference can have disastrous consequences, so all systems must be checked before launch.
EMC tests often take place in a special shielded room constructed of metal walls and doors and foamy spikes (aka absorbers) that block out unwanted external electromagnetic radiation, like ESA’s Maxwell chamber at its technical site in the Netherlands.
Though not an EMC chamber, Plum Brook’s thermal vacuum chamber is made of aluminium that does provide electromagnetic shielding, making it a suitable substitute.
To test electronics, the spacecraft will simulate a flight in realistic conditions with most of its subsystems and equipment powered and in operational mode.
The electronics are first tested for compatibility in this electromagnetic shielded chamber. Equipment will be switched on to test whether they do potentially disturb one another.
In the second round of tests, electromagnetic fields will be applied using antennas around the spacecraft to test the susceptibility to interference from external sources. The Orion capsule is equipped with electromagnetic field sensors to take measurements as the disturbance frequencies are injected into the chamber.
While all subsystems are a potential source of radio frequency noise, of particular interest are the transmitters that intentionally generate radio frequencies. These can easily disturb other equipment sensitive to electromagnetic noise, like GPS receivers, tele-command modules and other communication elements.
ESA experts are on site monitoring all tests alongside NASA colleagues as Orion moves closer to its first flight without a crew around the Moon.
Find more in depth coverage of all things Orion on the blog.
Credits: NASA
Overview map of all High Frequency Radar stations from Ocean Networks Canada, Department of Fisheries and Oceans, and Dalhousie University. Updated 9 February, 2026.
shadows create sounds (by picking up radio frequencies according to the size of the shadow)...
Frequency And Volume : Relational Architecture 9.
An interesting installation by Rafael Lozano-Hemmer (2003).
Kallang Old Airport.
Singapore Biennale 2011
Until may 15. 2011.
les ombres font des sons (en captant des fréquences radio en fonction de la taille de l'ombre projetée)...
Frequency And Volume : Relational Architecture 9
Une intéressante installation par Rafael Lozano-Hemmer (2003)
Old Kallang Airport
Singapore Biennale 2011
Jusqu'au 15 mai 2011.
Nikon D60. Nikkor 50mm. 1600 iso.
No alteration, no crop.
Photo by e-chan © 2011 All rights reserved - Downloading and using without permission is illegal.
open collector input with frequency division output PG feedback card, for variable speed drives (AC drives) to get the feedback signal of motor speed
Selects of the 2016 Coachella Valley Music and Arts Festival (Saturday - Weekend 1)
feat.
The Dead Ships
Ex Hex
The Black Madonna
Strangers You Know
Lost Frequencies
James Bay
Rhye
CHVRCHES
Disclosure (feat. Sam Smith)
Ice Cube (feat. NWA, O'Shea Jackson Jr., WC, Snoop Dogg)
Guns N' Roses
Zhu (feat. Bone Thugs N' Harmony)
and so much more!
A radio frequency treatment is a non-invasive, quick and painless treatment that helps to rejuvenate the skin by penetrating heat deep down into the dermis enabling collagen production.
www.dubailasertreatments.com/hide-signs-of-aging-through-...