When I operate in the field or on a summit, I like to have all the stuff I need. To do, I have a complete backpack to operate on HF and 2m bands in SSB, FM, digimode and even CW. For this last mode, I require technical help⦠I will be more clear later on. ;-)
So, what is the content of my backpack ? It weighs about 6.5Β kg.
![Backpack inside](../themes/icons/grey.gif)
![Backpack pocket](../themes/icons/grey.gif)
First, I require some ropes and throw-bags to hang antennas.
![Ropes and throw-bags](../themes/icons/grey.gif)
It is very easy to reach a branch at 6 or 7 meters and then raise the antenna wire. Actually, I have two EFHW antennas. One for 40m, 20m and 10m and one for 17m and 12m⦠I often test antennas, so, these are not representative, next month, it should be a different setup.
![EFHW antennas](../themes/icons/grey.gif)
Some coaxial cables are necessary !
![Coax](../themes/icons/grey.gif)
At this time, I use a Xiegu G90. This transceiver works on all HF bands and outs 20 watts. Itβs comfortable when you are outside. Other advantage of this rig, it has an embedded ATU.
![Xiegu G90](../themes/icons/grey.gif)
For the 2m band, I use a transverter. This device is connected between the HF transceiver and the antenna. It converts 28 MHz from the rig to 144 MHz and, vice-versa, the 2m signal received from the antenna to 28 MHz. It increases/decreases the frequency with 116 MHz. So, 29.500 MHz FM on the G90 corresponds to 145.500 MHz FM in the air. The G90 support FM and split mode, so I can also use repeaters. And 28.174 MHz USB reaches 144.174 MHz USB (freq for FT8 on 2m band). Input of 5 to 10 watts outs about 15 watts to the antenna.
![28/144 Transverter](../themes/icons/grey.gif)
This unit is build by UT5JCW in Ukraine⦠it is not possible to get one at the moment.
For digimode, a raspberry pi 4 and its 7" screen does the job. A Rii Mini i4 keyboard is connected via Bluetooth (or with the supplied 2.4 GHz USB dongle, if HF interferes)
![Rapsberry Pi 4](../themes/icons/grey.gif)
![Rapsberry Pi 4](../themes/icons/grey.gif)
To connect it to the G90, Iβve opted for an all-in-one device from XGG Comms providing a sound card and the CAT control, with a unique USB plug.
![XGGComms interface](../themes/icons/grey.gif)
And for CW, a specific cable from USB to a CW jack. flrig CW Keyer is able to pilot it with RTS or DTR key line. It becomes easy to transmit Morse code with the keyboard (not the orthodox way !)
![USB CW cable](../themes/icons/grey.gif)
![USB CW cable](../themes/icons/grey.gif)
To power all this stuff, every device has a Power Pole connector, plugged on a power hub to a LiFePO4 battery
![Power supply](../themes/icons/grey.gif)
A 12V DC to 5V USB converter is necessary for the Raspberry Pi
![12V DC to 5V USB converter](../themes/icons/grey.gif)
Finally, a notepad, a bands plan (thanks F4EED) and some tools complete the backpack.
![Notepad and bands plan](../themes/icons/grey.gif)
![Tools](../themes/icons/grey.gif)
And you, what do you put in your backpack ?