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The purpose of this study was to determine if the VDSL system installed in Phoenix, Arizona (USA) is causing significant harmful interference to stations in the Amateur Radio Service. This system was originally installed by US West and is presently operated by Qwest.

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2025年2月6日 · Internet speed tests should tell you both your upload and download speeds. They should also report your ‘ping’ in milliseconds, which is the latency or ‘lag’ of your connection. This is important for real-time applications such as online gaming and …

SpeedSmart.net is an HTML5 Internet speed test. Test your internet connection speed in seconds to locations all around the world with this broadband speed test to see how fast your home or mobile internet connection really is across every device.

Algérie Télécom Internet Speed Test checks how fast is your internet speed. Simply press ‘GO’ and Speed.is will test download, upload, ping, and jitter speed. How to perform Algérie Télécom Internet Speed Test? Open a browser and type https://speed.is/dz/algerie-telecom/. Select a Host ISP or let it choose the optimal ISP automatically.