My holiday shack

A picture of my holiday shack!



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Costa Brava 6M fun!

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I'm currently on vacation in Spain.  I've been able to string up a 23m long random wire into a balun and am currently running FT-8 as EA3/G7GGW. I've been heard from Japan to Chile with my FT-891 running 25W with a LDG Z100 plus tuner. I've also made antennas for 6M  and 2M based on instructions here https://vk1nam.wordpress.com/6m-sota-antenna/ from VK1NAM's website so thanks to him for posting that. The antenna is attached to a 6M long carp fishing rod from Decathlon that compacts down to about 40cm when travelling and costs about 17 euros to buy. There is some activity on 6M and I have been received at a distance of more than 2000km!
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WIFI connections for Pi-Star on the raspberry pi

My hotspot is setup to connect to three WiFi networks 1) my home network, 2) tethered to my mobile phone and 3) my hotspot. The Pi-Star wifi settings (and for most Linux distrubtions are stored in a file located in /etc/wpa_supplicant/wpa_supplicant.conf. Mine looks like this: #cat /etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 ap_scan=1 fast_reauth=1 country=UK network={     ssid="wifihome"     psk="mypassword"     id_str="0"     priority=100 } network={     ssid="mobilephone"     psk="mypassword"     id_str="1"     priority=99 } network={         ssid="holidayhotspot"         psk="mypassword"         id_str="2"         priority=98 } Note that each entry has a unique id_str value. Additionally I have set a preference order for connecting using the priority field. The higher the value the higher the preference. If you want
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Dual antenna hotspots

I've got two MMDVM hotspots with me here in the Spanish Pyrenees. One is a Jumbospot on a Pi Zero W and the other is a dual antenna hotspot on a Raspberry Pi B. When on the dual antenna hotspot I noticed that at the end of a QSO I could hear the last two seconds of my own voice when I de-keyed. I suspect, but haven't measured, that a dual antenna hotspot in duplex mode uses twice as much data to send an receive the QSO. So on holiday a simplex hotspot will use half the data during a QSO when compared to a dual antenna hotspot. I suspect the test will be to see what happens when only TG9 is running with no Internet connection. If I hear my own voice then the hotspot re-transmits the received signal rather than the stream if receives from the network the Brandmeister/Fusion server. Testing this is left as an exercise for the reader, I'm on holiday! ;-)
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