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Determine Enthalpy H for a reaction using Hess’ Law, enthalpy Hf and bond energies?

by Admin on May 6, 2010

How would you solve this problem?

{ 1 comment }

Is it possible to use only one Aircraft Antenna for VHF Comm and VHF Nav using splitter?

by Admin on May 6, 2010

Is it possible to use only one antenna for VHF Nav and VHF Comm using splitter in an aircraft?

{ 4 comments }

GPS tracker using Ham Radio on APRS by KH7O

May 5, 2010

APRS tracker by byonics MT-AIO completely built, easy to program and multiple variations of uses, take hiking, traveling, incident location beacon, command post location. Special event, parade float position, etc. Share on Facebook

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HELP EMERGENCY….Elementary Programming using Jgrasp?

April 16, 2010

Complete the programming problem and turn in the .java source code file. Then answer the Precedence and Associativity problems in a Word or OpenOffice document and attach that document alsong with the program. Both files should be attached to the assignment turn-in page. Do not write any answers directly into the text box on the [...]

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HF Mobile QSO with a station on 80M using IC-7000

April 7, 2010

QSO with G3ZPD whilst I was at Woldingham Ridge Dec 08. Antenna was a CA-UHV vertical. Share on Facebook

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So today is earth day? When are people going to stop destroying the environment by using their cell phones?

March 30, 2010

The most immediate threat is the loss of the bee population worldwide, and the most obvious reason is cell phones. Global warming is obviously not the problem as bees have existed in the hottest climates, and it is obvious that their communication to return to the hive is prevented by cell phone use. So why [...]

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Satellite QSO Using the new Ham Radio Deluxe Satellite Track

March 25, 2010

Satellite qso’s Using the new Ham Radio Deluxe Satellite Tracking Software with F8BRP IZ5FSO Share on Facebook

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Will I damage my transceiver using ICOM BP-208N battery pack with AA lithium batteries?

March 13, 2010

Or, do I have to stick with alkalines? The caution statement forbids the usage of Ni-Cd or Ni-MH batteries, but makes no mention of lithiums. My transceiver is an ICOM IC-V82. Share on Facebook

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What file type is the raw footage taken using a Canon Vixia HF-10 camcorder, shooting in XP+ HD mode?

March 11, 2010

I have taken some HD footage using my Canon HF-10 camcorder, shooting in the 2nd highest setting (XP+). I am wondering what the raw footage extension is (eg: mpeg, avi, etc.) Thanks Share on Facebook

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Amateur Radio Emergency Service (ARES) using D-STAR

March 11, 2010

KE7FTE, N7QQU and W9ERT show us the “drag and drop” flexibility of the Icom D-STAR System. Offering reliable exchange of large image files, email, word-processing and other files that emergency responders and served agencies find invaluable. Share on Facebook

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