Archive for November 10th, 2009

Nov
10
2009
0

С праздником, дядя Стёпа!

1021


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Nov
10
2009
0

Слив снова отменили

Sliv1

Череда неприятностей, препятствующих запуску Большого Адронного Коллайдера, пополнилась еще одной, весьма курьезной причиной. На этот раз пробный пуск ускорителя был сорван из-за остатков бутерброда, забытого внутри одного из блоков охлаждения. При проведении предпусковых операций ученые заметили, что температура в одной из зон ускорителя остановилась на отметке -266 градусов по шкале Цельсия и перестала понижаться дальше, сорвав, тем самым, запуск коллайдера. Read More


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Nov
10
2009
0

Coming soon – “StationPro II” from W8ZR

  • Category: ham |

The StationPro I and StationPro II are easy-to-build master station controllers that will integrate all your HF rigs and amplifiers by automatically switching all your RF inputs and outputs, microphone, key, audio, data, etc. – up to 25 different control lines. The StationPro I is the inexpensive “basic” version of the controller, and the microprocessor-controlled StationPro II is the “deluxe” version. The basic version can be upgraded to the deluxe version as a user’s needs evolve. CLICK HERE to see a video of W8ZR demonstrating the StationPro II’s features and inner workings.

SPI and SPII_700

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Nov
10
2009
0

Make your QRPp life fun

  • Category: ham |

DSB_TX_5mwt

This double-sideband (DSB) radiotelephone transmitter is powered entirely by the instantaneous (not stored) energy produced in the operator’s voice. The RF output power in my prototype falls within the range of 5 to 15mW. The circuit is essentially a high-level DSB modulator/crystal-controlled RF oscillator.

QRPp_Diagramm1DX QSO made by author:

10/13/09    W1VZR  57/459     Limerick, ME   160km 2.5mW Early ckt; resorted to “mouth CW”
10/22/09    AA1MY    57/33      Bethel, ME     160km 5mW 1st skywave voice-pwr fone QSO!
10/22/09    W1PID    59/54  Sanbornton, NH  109km 5mW Horrendous QRN; Fabulous QSO!

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Nov
10
2009
0

ONLINE MUSIC

music_logoНа любой вкус и разного формата музыка из Интернета:

CHRISTMAS:

http://www.sky.fm/mp3/christmas.pls
http://www.sky.fm/mp3/christmas_low.pls
http://www.sky.fm/wma/christmas.asx
http://www.sky.fm/wma/christmas_low.asx
http://www.sky.fm/aacplus/christmas.pls

LOVE MUSIC:

http://www.sky.fm/mp3/lovemusic.pls
http://www.sky.fm/mp3/lovemusic_low.pls
http://www.sky.fm/wma/lovemusic.asx
http://www.sky.fm/wma/lovemusic_low.asx Read More


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Nov
10
2009
1

How to catch the HAM Satellite

  • Category: ham |

The “MAKE” magazine was published an interesting article (IMHO). Read below.

satelliteyagi

Photo: “MAKE”

My favorite ham activity is making contacts via satellites. Not only is there the romantic notion of sending messages into outer space, but you have to trace the orbit of the satellite with your antenna while tuning the radio, to compensate for the Doppler effect.

The satellites AO-51, SO-50, and AO-27 orbit the Earth acting as repeaters. Repeaters are automated relay stations that allow hams to send signals over a greater distance using low-power hand held transceivers. The satellites allow hams to relay messages from Earth to space and back to other hams somewhere on the planet. The International Space Station (ISS) also has a repeater, but occasionally, if you’re lucky, the astronauts turn on their radios to make contact directly with hams on the ground.

The following instructions will get you started listening to birds (satellites) on FM, which can be done with a simple VHF/UHF FM radio with a whip antenna, without the need of a ham license. For better coverage, you can use a Yagi antenna (like the one pictured above) connected to a mutli-mode radio and a license (if you want to transmit). A Yagi antenna can also be used to improve the signal of your hand held radio.

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Nov
10
2009
0

Santa’s back

  • Category: ham |

SANTA_HAM

As we all know the real Santa Claus comes from Finland! Santa ClausLand (OH9SCL) will be again active during this December from the Articcircle. Activity will be on 10-80 meters on CW,SSB and digital modes. Among others Santa’s helpers will include:
Many  operators.  QSL viaOH9UV.

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Nov
10
2009
0

New from Low-Noise LFA Yagi

antenna1

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