rubin1961 said:
the cable i use is rg6 64 strand which is perfect for uhf.
i use wideband aerials because there are 4 different transmitters in the areas i install and i have no problems at all.
i find the rx range of aerials are perfect for the areas i do,they pull all freeview and the analog pics are crisp.
so why should i change to different aerials.
iv run 4 room installs of the rx20 with a 4 way out door vision splitter with no problems and all freeview services are there.
some areas on the freeview web site say no service avalible but iv installed and got all services.
you say the rx range are cheep and nasty i totally diagree,iv come across many other aerial brands and seen them in bits.
you charge £150 for a 1 room install i find that very expensive and no matter what parts you use its still expensive.
i have no dowt you are a very good engineer and if i were a customer i would choose you any day over these big companys.
If you could measure the BER you'd know why you should use better quality aerials. The RX reflectors fall off / slide out because they are snap in plastic. The RX range may look good next to a 25p contract aerial or a B&Q special but they are still cheap aerials and have no baluns.
RG6 maybe fine for UHF loss wise, but there's a lot more to it than that. What about impulse inteference? What about the effect of off air broadcasts entering the transmission line and trashing the BER? What about the crosstalk between RG6 cables?
For me it's not about using the cheapest possible parts and charging as little as I can. I don't just judge an installation by whether or not it pulls in all the muxes, or whether the analogue is crisp.
If you've got no idea how to read the signal properly there's a good chance it's going to go pear shaped once you've driven off or a week or month after. Any variation in the signal & you'll be getting called back left right and centre.
It's a bit like kicking a car tyre, realising it's pumped up and saying it's fine........Yes it might be, but you're a professional and you should test things properly so you know exactly what's going on. An electrician can buy an aerial from Homebase and screw it to a wall. He can look at the TV and say it's perfect, but you should be better than that!
The large firms here charge anything from £200 to £400 for an installation and most of them are just total cowboys as seen on recent House of Horrors!
IMO you should try and seperate yourself from these people by doing the best job you possibly can, using the best materials & testing equipment available, providing excellent customer service & charging a FAIR price for your time & cumulative experience. You'll have people queuing to book you in & they won't be the kind that want everything done on the cheap.......Word of mouth is key in this business!
Just my opinion anyway....