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108 lines
4.0 KiB
108 lines
4.0 KiB
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title = 'Radioddity GD-77'
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summary = '''Consider the OpenGD77 firmware and you're all set with a
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very user friendly and customizable handheld radio.'''
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date = '2020-10-17'
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lastmod = '2023-08-12T15:25:57+0000'
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#categories = [ 'amateur-radio' ]
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showBreadcrumbs = true
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showReadingTime = false
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showWordCount = false
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[Product page][1] — [OpenGD77 Firmware][2] — [Latest CPS][3]
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[1]: https://www.radioddity.com/products/radioddity-gd-77-dmr-two-way-radio
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[2]: https://www.opengd77.com/downloads/GD77/Latest/
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[3]: https://www.opengd77.com/downloads/CPS/Latest/
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This is probably the first DMR capable radio that is made for amateur radio.
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Obviosly not per default, but thanks to OpenGD77 it is now suited for amateur
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radio usage.
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## udev-Rules for Linux
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~~~rb
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# USB rules for GD-77
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# Place this in /etc/udev/rules.d/ to let all users talk to the radios by USB.
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#
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SUBSYSTEM=="usb", ATTRS{idVendor}=="15a2", ATTRS{idProduct}=="0073", MODE="0666"
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# HIDAPI/libusb
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SUBSYSTEM=="usb", ATTRS{idVendor}=="15a2", ATTRS{idProduct}=="0073", MODE="0666"
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SUBSYSTEM=="usb", ATTRS{idVendor}=="1fc9", ATTRS{idProduct}=="0094", MODE="0666"
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# HIDAPI/hidraw
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KERNEL=="hidraw*", ATTRS{idVendor}=="15a2", ATTRS{idProduct}=="0073", MODE="0666"
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KERNEL=="hidraw*", ATTRS{idVendor}=="1fc9", ATTRS{idProduct}=="0094", MODE="0666"
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# HIDAPI/hiddev
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## We need to unbind this device, otherwise LibUsb will fail to SetConfiguration() and ClaimInterface()
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# For Bootloader (usbhid)
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KERNEL=="hiddev*", ATTRS{idVendor}=="15a2", ATTRS{idProduct}=="0073", MODE="0666", RUN+="/bin/bash -c 'ID=$(IFS=/; read -a array <<< %p; echo ${array[-3]}); echo $ID > /sys/bus/usb/drivers/usbhid/unbind'"
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# OpenGD77
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KERNEL=="ttyACM[0-9]*", SUBSYSTEM=="tty", ATTRS{idVendor}=="1fc9", ATTRS{idProduct}=="0094", MODE="0666", GROUP="dialout", SYMLINK+="OpenGD77"
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~~~
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If you want do reload udev with the new rules, run:
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~~~console
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$ udevadm control --reload-rules && udevadm trigger
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~~~
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## Original boot tone melody
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The originally used boot-up melody. I'm not sure if it changed already, but this
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was on my GD-77 when I first installed the OpenGD77 firmware.
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~~~plain
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38,6,0,2,38,2,0,2,38,6,0,2,38,2,0,2,38,6
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~~~
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## My boot-up picture
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| Normal display settings | Inverted display settings |
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| :--- | :--- |
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|  |  |
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## Importing DMR-IDs
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Open _Extras >> Download callsign database_ and fetch the data that you want.
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Set the region to the desired <abbr title="Mobile Country Code">MCC</abbr> that
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you want to import. You can also use the inactivity filter that fetches only
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recently active DMR-IDs. Or you can import DMR-IDs from a file.
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I usually import them from a CSV-file. The file that I use contains all the
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austrian callsigns plus a few other callsigns, that I regularly see. ~~So I need
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to import about 2000 callsigns.~~ Well, I do not use DMR, D-STAR or C4FM so often;
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so I don't import anything at the moment. But I came across this site again and I
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thought I could update this list again (after nearly 2 years there are a few new
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callsigns in this list---about 2000 new callsigns).
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{{< alert "circle-info" >}}
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If you don't have a proper file to start with use this one here. It contains
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these regions: `232, 262, 263, 264, 222, 228`.
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[:open_file_folder: Download](/files/dmrids_2023-08-12.zip "28775 entries") (\~238KB)
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{{< /alert >}}
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Or: download your own set of DMR-IDs with the regions you want. You can also
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download only some federal states (like `2327,2328`) if you don't want all
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entries from `232`. [Read along here][dmrid] for some instructions about this.
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[dmrid]: {{< ref "posts/2020-11-16-create-your-own-dmrid-database-file" >}}
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## Band scope (Spectrum sweep scan)
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I'm not sure when this feature was implemented, but OpenGD77 now supports
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an easy to use band scope on the GD-77.
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Press and hold the hash key <kbd>#</kbd> when in VFO mode to enter this feature.
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