BUC Local Oscillator Frequency (LO)

The correct BUC Local Oscillator (LO) is essential if you want to transmit on the correct frequency. Acquiring in to a TDMA network or closing a SCPC link with the wrong BUC LO will be impossible and cause interference. The LO can be found on most manufacturers specs sheet or printed on the label on […]

How to find your Satellite FAST!

Need to point your VSAT antenna in a hurry? Here’s how to do it quickly without messing around in 4 easy steps . . .  Make sure your satellite modem (receiver) or sat meter is tuned to the correct satellite. Pre-set your polarisation (Don’t worry if you are using circular pol!). Pre-set your elevation as […]

VSAT Footprint Elevation Angles

Ever wondered what the white rings mean when looking at a satellite beam footprint map? They are simply the elevation angle to the satellite in 5° increments starting at 0°. Easy to quickly check if the target satellite is above the horizon and what your elevation will be. SatBeams.com is an excellent website for checking […]

VSAT Terms

Ever wondered what people are talking about using TLAs and technical jargon? Have a quick look at the VSAT glossary of terms VSAT Glossary.

tcpdump Info and Examples

TCPDUMP Commands and Options tcpdump is a free command line tool that is used to capture network traffic and saves it to a file. It’s very useful in fault finding on your network and can be used with WireShark for in depth analysis of the network traffic. Here are a few examples of the different […]

SSH Tunnel using PuTTY

This is a ‘How to’ connect to a device behind a router or Linux machine to the network behind and there are no port forwards in place etc. Really handy to get you out of a pickle or you do not not want any port forwards for security reasons. Anyway, this is how you can […]

VSAT LNB Page Updated

I’ve added some more info in the LNB page. Worth a look is you are having any receive issues or just want to know how the VSAT magic works!  

Reverse Tether iPhone to your Laptop – Windows Wireless Hotspot

I was recently in Europe with no mobile phone coverage but had a wired connection in my hotel room. I still wanted to use my phone while lazing on my bed watching the Discovery Channel. So I created a WiFi Hotspot on my laptop so I use use my internet connection on my iPhone ‘Reverse […]

Netstat Commands on Windows

Netstat is a useful command line tool to list the active TCP connections and the ports that are in use (Listening). Open a command prompt window and try a few of the commands below. It has lots of options (switches) that can be used and is handy for fault finding and killing the processes that […]

What are deciBels (dB)?

Ah, good question and something that you should definitely know if you are working in satellite or communications. Basically, Bels are too big so we use deciBels (dB) are an easy way to multiply large and small numbers. By using dBs you can add or subtract instead of having to multiply numbers. DBs is a […]