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FAQs about TV Aerials and Satellites | Just ask the Digital Wise Guys

Frequently Asked Questions

We’ve put together a bunch of FAQs about tv aerial and satellite systems – answers to the most common questions we get asked. We hope they are useful!

Of course, if you’ve got a question you can’t find an answer to please get in touch and we’d be happy to help.


Please help, my TV reception is rubbish, what can I do?


If you’ve got poor TV reception it could be due to a fault somewhere in your aerial installation. Common causes we see a lot are: a blockage from a tree or building; water ingress or corrosion in the aerial or cable; or you may be unlucky and live in a fringe area where signals are too weak to be received on a standard TV aerial.

Fear not, we can usually spot a problem pretty quickly with our high-end testing equipment during our surveys and we always have the right solution. Consequently, we can often do same-day installs so the problem could be fixed before you settle down this evening to watch your favourite show!


Do you do TV repairs?


No, we don’t do that sorry. We help with the TV signal from aerials or satellite dishes but we don’t fix the actual TV itself if it’s not working properly.


Do I need to replace my existing aerial?


No, not always. We recommend trying your new digital TV or set-top box with your existing aerial first. If you get problems like freezing or no signal then you may need to replace your aerial but always give us a call first.


Do you offer a guarantee?


Yes. We offer a 1-year, no quibble, guarantee on all our work and the products we supply.


What areas do you operate in?


We currently cover a 30-mile radius around Gilston in Hertfordshire, UK. If you’re unsure if you’re within that area please get in touch.


Do you have insurance?


Yes, we do. We are fully covered by a Public Liability Insurance policy which we’d be happy to show you upon request.


Are your installers DBS checked?


Yes, all of our installers have up to date DBS checks so you can be safe in the knowledge that anyone coming to visit you and your property is reputable. We take your safety very seriously.


Do you offer same-day installs?


Yes but it depends on what time of day we speak to you and what our current workload is like.


What’s the difference between Freesat and Freeview?


Good question. The main difference is in the coverage. Freesat is available in the whole of the UK as long as you have a mini satellite dish. Freeview, on the other hand, has a 98% UK coverage BUT around 15% of households will experience a poor signal and be limited to 15 core TV channels. 

The other difference is the number of channels available. Freesat offers over 200 so far with Freeview lagging behind with around 70. Both systems have around 15 to 12 HD channels as well as access to on-demand services such as Netflix (requires paid subscription) and BBC iPlayer. 

The great news is that both systems are free to use and don’t require a monthly subscription cost!