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Thread: Intro to Radio Communications

  1. #81
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    Yep.
    And costly.
    Don't Fear The Night.
    Fear What Hunts At Night.
    US ARMY INFANTRY
    HOOAH!

  2. #82
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    .....
    Last edited by QuietShootr; 08-10-10 at 17:27.

  3. #83
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    Costly ain't no joke.

    I'm trying to figure out how I can afford a Yaesu FT-950, DMU-2000, an antenna, and any other goodies I may require.

    The only thing that chaps my ass is that none of the base units are rack-mountable.

    How long is the Technician license valid for? Any good on-line study guides?
    Last edited by Outlander Systems; 10-04-09 at 22:27.

  4. #84
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    License term is 10 years and I think they automatically renew; not sure as I've only had mine 2 years.
    Actually no cost for the license (except vanity calls), you pay for the test.

    I just repeatedly took the practice tests at www.hamtestonline.com until I was comfortable enough that I would pass with no more than one or two wrong.
    Think you can miss 9.

    Technician Test Tips
    Emergency calls ALWAYS have priority
    Emergency calls can be made by anyone using any communications technology available
    Wavelength in meters equals 300 divided by frequency in Mega-Hertz (l = 300/f)
    Voltage is in units of Volts and is measured by a voltmeter
    Current is in units of Amperes (Amps) and is measured by an ammeter
    Resistance is in units of Ohms and is measured by, you guessed it, an ohmeter
    Voltage equals Current (Amps) times Resistance (Ohms) (V = I * R)
    I remember it with VAXO: Volts = Amps X Ohms
    Power is in unit of watts
    Power (Watts) equals Voltage times Current (Amps) (P = V * I)
    Milli means 0.001 (one one thousandth)
    Kilo means 1,000 Mega means 1,000,000
    Micro means one, one-millionth
    One meter is 100 centimeters
    One meter is about 40 inches
    Morse code is referred to as "CW"
    US amateur call signs start with A, K, N and W
    US amateur call signs contain a single digit between 0 and 9
    A quarter-wavelength antenna is one-fourth of the wavelength in size
    A half-wavelength antenna is one-half of the wavelength in size
    Select answers containing "Part 97"
    Select answers containing "Internet"
    Select answers containing "Emergency"
    Select answers containing "CW" or "CW only"
    Select answers containing "United State Postal Service"
    Last edited by 11Bravo; 10-04-09 at 23:10.
    Don't Fear The Night.
    Fear What Hunts At Night.
    US ARMY INFANTRY
    HOOAH!

  5. #85
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    Last edited by QuietShootr; 08-10-10 at 17:27.

  6. #86
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    Anyone who's up, call CQ M4Carbine on 3927....

  7. #87
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    75 is open, if anyone's around.....

  8. #88
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    QuietShootr, I would like to see some pictures.

    I am trying to figure out how to do a man portable radio solution.
    I have not convinced my relatives to become hams so I am not sure how this is going to fit into my preps.
    One day, I shall come back. Yes, I shall come back. Until then, there must be no regrets, no tears, no anxieties. Just go forward in all your beliefs and prove to me that I am not mistaken in mine.

  9. #89
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    Quote Originally Posted by Navigating Collapse View Post
    Costly ain't no joke.

    I'm trying to figure out how I can afford a Yaesu FT-950, DMU-2000, an antenna, and any other goodies I may require.

    The only thing that chaps my ass is that none of the base units are rack-mountable.

    How long is the Technician license valid for? Any good on-line study guides?
    I saw an NIB Alinco 160-6 HF all mode for $350 OBO at a swap meet. I got a Yaesu FT880 UHF/VHF mobile yesterday for $150 and a Icom TH7 for $100. Deals are out there if you look around.

    If you're talking 19" rack mount, the reason is few people want ham rigs that big. Some of the top-of-the-line Ten Tec and Yaesu products might fit your bill, however, if you just gotta have a boatanchor.

    Ham licenses are good for 10 years and you can renew online.
    Last edited by jaholder; 10-18-09 at 07:17.

  10. #90
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    Quote Originally Posted by RWBlue View Post
    QuietShootr, I would like to see some pictures.

    I am trying to figure out how to do a man portable radio solution.
    I have not convinced my relatives to become hams so I am not sure how this is going to fit into my preps.
    I'll take some from an upcoming field day very soon. I think you'll find them informative.

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