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  • Is the National Calling Frequency actually used?
    146 520 MHz is the national calling frequency for FM voice It's a "simplex" frequency, meaning that you call on this frequency and then listen for a reply on the same frequency
  • Why is there a repeater on 146. 46? Isnt that a simplex frequency?
    3 I have a commercial GE Phoenix transceiver that I sent out to be programmed on 146 460 but have been informed by a club that my transmissions are interfering with their repeater that has a 146 460 input According to the ARRL band plan this is a simplex frequency How is this happening? I have complied and have quit using the radio
  • united states - Whats the difference between national calling . . .
    39 On the 2 meter and 70 centimeter band plans published by the ARRL, what is the difference in intended use between the calling frequencies (144 200, 432 10 MHz) and the simplex calling frequencies (146 52, 446 00 MHz)?
  • united states - Choosing simplex frequency as a technician - Amateur . . .
    My brother and I just got our technician class license We live close enough to each other that we can use simplex on 2 meters or 440 How do we go about choosing the best frequency to use?
  • How much of the 136 - 174 mhz spectrum is actually in use?
    I know that 144-148 and 156-157 mhz ranges are in use, and various fire ems police, but outside of that, I see a lot of earth-to-space, weather stuff and space research allotments (talking about Ca
  • What is a calling frequency? - Amateur Radio Stack Exchange
    Just a note - calling frequencies vary by region 146 520 MHz is the 2m calling frequency in the FM mode in Canada and the US, but not in most countries Be sure to check if you operate in other countries!
  • 1 8 wave 3-element 2m beam antenna - Amateur Radio Stack Exchange
    Center frequency 146 520MHz Driven element is 1 8 wave 10 25" long set at 6 125" from the front Reflector element is 5 8 wave at 15 3" and 15 3" from driven element to the back Director element is 1 2 wave at 12 25" and set at the front Also, trying to figure out how to connect my SO239
  • What frequencies should I listen to for packet radio?
    Have a look at the IARU Region 2 Band Plan Most of the frequencies marked "all modes" or "DM" (digital mode) may be used for packet radio, although there does not seem to be a single designated packet calling frequency Normally a packet radio frequency is coordinated between operators in the area, since one frequency can be shared by several TNCs In this case the frequency is standardized
  • Can I transmit on 2 frequencies simultaneously?
    Lets say I want to call out CQ on 145 340, 145 940, and 146 140 at the same time, am I allowed to call simultaneously on all three then monitor all three for replies?
  • How to adapt commercial VHF yagi for 2 meter amateur use?
    I have measured the impedance of the antenna at 146 MHz to be R = 36 Ohms and X = 40 Ohms How can I best adapt this antenna for 2 meter use? I don't think I have the proper tools to trim the element lengths Picture of the matching section: Picture of the whole antenna:





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