JS8Call Messaging on 80M NVIS

Discussion in 'Amateur Radio News' started by OH8STN, May 23, 2019.

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  1. OH8STN

    OH8STN Ham Member QRZ Page

     

    Attached Files:

    VE2GCE, K8XG, OH3AC and 3 others like this.
  2. OH8STN

    OH8STN Ham Member QRZ Page

    Hello Operators
    In this video we discuss #JS8Call Messaging for reliable NVIS Communications. JS8Call has a variety of messaging functionalities built in. Message store and forward, message relays, ... all disgned to work stand-alone, or through the JS8Call network. JS8 is a narrow bandwidth weak signal mode, working extremely well for NVIS ( Near Vertical Incidence Skywave ), and an asset to emergency communications and preparedness.

    In this video, three stations all within #NVIS range of one another, demonstrate the Messaging capabilities of JS8Call, on 80 meters amateur radio band, using NVIS.
    73
    Julian oh8stn
     
    K8XG and KQ6XA like this.
  3. KQ6XA

    KQ6XA Ham Member QRZ Page

    Excellent video, showing how JS8CALL provides a great platform for infrastructureless Emcomm HF mesh text messaging and other features.
    Thanks, Julian OH8STN, for making this, it is impressive!
     
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  4. OH8STN

    OH8STN Ham Member QRZ Page

    Very much appreciated.
    I think the mode has a lot of potential. It just needs a few videos outlining the abstract but very useful features included in it, and how to put them to use.
    Do you remember our conversation a few years ago about the "random contact". That's part of the video was all thanks to you.
    You're an awesome Elmer Bonnie
    73
    Julian oh8stn
     
    KQ6XA likes this.
  5. WB8LBZ

    WB8LBZ XML Subscriber QRZ Page

    As usual, Julian, good video/demo.

    73, Larry WB8LBZ
    El Paso, TX
     
  6. DL4QB

    DL4QB XML Subscriber QRZ Page

    Just testing it right now...looks good. For me not for daily use, but..yes it works and it is always good to have any kind of communication for emergency!
     
  7. KQ6XA

    KQ6XA Ham Member QRZ Page

    Hi Julian,

    Yes, it's wonderful to see you talking about this subject, which I noticed right away, at about 11:48 in your video presentation:

    "Most of the communications taking place in Amateur Radio do so in a couple of different ways;
    1. First we have the Sked or schedule;
    2. Then we have the Net;
    3. And finally, and probably the most common, is the Random Contact (random chance). That's where we're making a random CQ, not knowing who, if anyone, will answer."
    "When our focus is emergency communications or communications for preparedness, we won't always have the luxury of establishing communications during a sked, during a net, or leaving it to the random contact. In fact, the idea of leaving emergency communications for preparedness to chance is pretty ridiculous."
    Kudos to you also, Julian, for your excellent elmering videos.
    JS8CALL is one of the few apps that fulfills the HF and NVIS "selective calling" objective, along with weak signal infrastructureless mesh messaging.

    [​IMG]
     
    K8XG likes this.
  8. AC7AV

    AC7AV Ham Member QRZ Page

    I have a question about the message forwarding. Maybe I don’t understand correctly, but doesn’t the idea of the operator no longer being tethered to the radio, indicating that this function is automatic and that unattended transmissions would happen because of a message sent by another station?


    Doesn’t such actions violate several FCC regulations pertaining to control operator requirements to be present at the station control point and that operator must be a person, and the retransmitting of amateur radio signals of another amateur stations transmission, automatically ? I know we have a few exceptions listed in our regulations but this doesn’t seem to fall under the descriptions of any of them.


    It’s the same reason we can’t setup automatic controlled WSPR beacon stations or even CW beacons below 28 MHz. Yes I know we have the NCDXF/IARU beacon network and some are FCC regulated, however they have special written permissions from the FCC to conduct the automatic operations below 28 MHz and to exceed the 20 WPM limit because of time limitations to cycle threw all the stations participating.


    I’m only asking, and I realize regulations for such activity may be different around the world. However in the US I don’t think this is allowed without a control operator at the radio control point.
     
  9. WB5WPA

    WB5WPA Ham Member QRZ Page

    "The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people." (10th Amendment)

    It's time we "grew up" and applied some sane logic and reasoning to all this.

    How wide is the WSPR band? 200 Hz wide? Good grief.
     
  10. AC7AV

    AC7AV Ham Member QRZ Page

    Listen man, I totally agree. But leading people on to do something just because they can, doesn't make it right. Who ever said logic and reasoning had anything to do with reality of laws and regulations. And what does the width have to do with anything here? I was talking about automatically controlled, unattended stations, mentioned in the video presentation.
     
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