New AM website

Discussion in 'General Announcements' started by K5YGC, Jul 21, 2012.

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  1. K5YGC

    K5YGC Ham Member QRZ Page

  2. W6OM

    W6OM Ham Member QRZ Page

    Congratulations on your new site. I invite you to link to the West Coast AM site at www.ami-west.com. Over 400 strong and still growing.

    All the Best

    Ron W6OM
     
  3. K9ASE

    K9ASE XML Subscriber QRZ Page

    cool you can't have too many AM groups:)
     
  4. WA3VJB

    WA3VJB Ham Member QRZ Page

  5. W6OM

    W6OM Ham Member QRZ Page

    I agree, I have many "AM" video's on you Tube. Enjoy and remember, you cannot make SSB without first making AM......Unless someone changed the laws of physics last night while I was sleeping....Hi Hi

    http://www.youtube.com/watch?v=wOwtVsiyLi8&feature=plcp


    Enjoy Ron W6OM
     
  6. W4RAV

    W4RAV Ham Member QRZ Page

    Is that true? Sounds as if it could be. I don't think I've operated AM more than once or twice, mostly just to test something. Seems to me it's a mode that requires a lot more than barefoot power and modest antennas.
     
  7. K6BSO

    K6BSO Ham Member QRZ Page

    Technically, SSB is a form of amplitude modulation, only with one side band and the carrier suppressed.
     
  8. W6RZ

    W6RZ Premium Subscriber QRZ Page

    It's possible to generate DSB (double sideband suppressed carrier) directly with a DSP.
     
  9. W4RAV

    W4RAV Ham Member QRZ Page

    I have DSB and never used it. On my list of things to try. But for now, I wouldn't know when I'd even use it over "regular" SSB.
     
  10. W6RZ

    W6RZ Premium Subscriber QRZ Page

    Only if the receiving station is using DSB synchronous detection. Otherwise, it's a waste of transmit power.

    BTW, pretty much all modern amateur SSB transmitters use a DSP to generate SSB. First a DSB signal (or more precisely, a series of digital values at some sampling frequency like 24 kHz) is created and then the DSB signal is run through a Hilbert transform to eliminate one sideband (this is also called the "phasing" method when analog techniques are used).
     
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