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Topics - Vk7wh

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I am currently on holidays and been experimenting working my home rig remotely, using a TS-480 front Panel via both 3G and 4G at the control site with a pair of 1258 Mark IIs. I am using a Netcomm 3G/4G Wireless N150 Router 3GM2WN with a Telstra 4G USB Modem.

Having set everything up at home before I left the system worked OK apart from difficuly in initially establishing  a connection and at times, especially during weekends, drop outs on transmission due to poor upload speed. As I live in the countryside, this was not unexpected. The system is rock solid with an ADSL2+ connection.

The first site I tried on my trip I experienced very poor results which again were caused by an absolutely terrible 3G service with upload speeds varying from about 1Mbit/s to as low as 10Kbit/s!

When I tried the next location I visited I was encouraged to note that a fairly good 4G service was available. Download speed varied between 15Mbit/s down to a low of about 5Mbits/s and upload from a top of 7.5Mbits/s down to around 1Mbit/s. When connected, the service is again rock solid, with very good audio reports, but again I have trouble connecting. It usually takes from 2-3 minutes up to 10 minutes to get audio connected. I just have to keep switching it on and off until I get audio through. Sometimes changing band or using the PTT will trigger it. Once connected it remains so.

The only difference I can see in the Control RRC Set Up readings is when it is working:

SIP/STATUS = CONNECTING/TRANSFERRING
RTP STATUS = EXCELLENT (59)

During the time I am trying to connect:

SIP/STATUS = FAULTY (SEE BELOW)
RTP/STATUS = STALLED (20)

All other details on the setup page are the same in both conditions.

I can use the system as it is, however I would be very grateful is anyone has suggestion as to how I can overcome this annoying issue. My knowledge on networks, I am afraid, is reaching its limits.

Many thanks de Winston VK7WH

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