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Thread: Explain SELCAL to me!

  1. #1
    Join Date
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    Explain SELCAL to me!

    I'm off to Coongie Lakes for 3 weeks in May and as I will be a solo traveler I will be taking a personal EPIRB, car based EPIRB (the big orange one), a sat phone and an HF radio.
    I've used HF in the past, but it was an old Tracker set with the RFDS and radphone frequencies/connections.
    I've been given a neat little QMAC HF90 unit and I've got a multi tap whip as well as a long wire aerial and an ATU (all with the QMAC branding)
    The taps on the whip match the frequencies fitted in the HF90.
    I've just sent off my subscription to VK737 so I can have a play and a practice with the radio before I go.
    My only question is selcal.
    The QMAC mike has numerical keys on it, so I assume that's where I put in a number, but can someone please explain to me the basic usage of selcal.
    I'm not a luditie, but I've just never used it before.
    I'm figuring the sat phone will be the main comms device if I have an issue, but the HF system should be a good back up, and be fun to talk to others during the day when I'm sitting doing as little as possible!!!
    Any advice would be greatly appreciated.
    I am based in Adelaide.
    Alan
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
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    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
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  2. #2
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    Selcall is a tone system used to open the squelch to allow the user to hear the transmitting station whilst receivers programmed to respond to a different selcall code don't hear the caller.
    The mic buttons can be used to enter the selcall code but also to transmit DTMF codes if the radio has the feature.
    I suggest that you download the user manual for the radio.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  3. #3
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    So basically if you have mate with radio and know his selcall number you program it in hit send and his radio will beep to let him know someone is trying to raise him without the need to voice transmit. Not really needed as you with Vks737 you will be calling in to there skeds and having a brief chat, enjoy Explain SELCAL to me!

  4. #4
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    So essentially selcall is only used if there is someone I specifically want to talk to.
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
    No 5 Trailer ARN 177-295
    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  5. #5
    Join Date
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    Only if that person has selcall set on his/her radio to mute all transmissions except when their selcall code has been used by the caller. Selcall is selective calling.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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