Recent content by trev1978

There was an original feedhorn on the dish but it had a rectangular throat at the end of the waveguide so that is why I purchased the adjustable invacom feedhorn. My dish diameter is 1900mm with a depth of 296mm which calculates a focal length of 762mm. I set the waveguide to this then hooked...

The dish was on the roof of a former Stan James bookmakers!! I Paid the building owner £50 for it and the stand 7 years ago- although I wouldn’t say that represented valve for money given the time spent on it! I would estimate it is a 1980’s reflector. I would accept that the reflector is...

I have a local supplier who had a bundle of old unistrut they are wanting clear off- so got the whole lot free!

PS This is my calculation for the feedhorn

Hi All, I just wanted to give a quick update on how I have been progressing. I have straightened the dish using the structure shown in photo 1 & 2. I had split the dish into 12 segments using fishing line and then used the threaded bar to ease the dish into shape so that all the lines just...

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Hi Guys, On the Invacom adjustable feedhorn instructions (see attached) there is a graph to work out the protrustion of the waveguide beyond the scaler ring. Am I correct in assuming that f/d is the focal length divided by the overall diameter of the dish? Stupid question I know but i just...

Thanks Guys, I am fairly well through my dish upgrades so all I can do is give it a try and at least I will know- I would always be wondering otherwise! I do have an old Spiderbox HD (which I hope is still working) so if i could get it maxed on the sat I could hook that up inside and check a...

Thanks RimaNTSS Apologies for my ignorance on this! I has also been a few years since I worked at this so I am a bit rusty! Previously I was just about able to get the SD channels on the nordic beam most of the time. Are the HD channels on a tighter footprint to the SD ones? Where could I...

Hi all, I had an official standard definition Viasat sub to 4.8' and was able to pull in the northern beam using my 1.9m prime focus- however my signal was weak and i did get picture breakup in the evenings. Viasat changed to HD boxes in the summer and i haven't as yet renewed the sub as I...

This was a six part series originally shown on channel 4 in 1991. An accompanying VHS video was produced. I would be interested in purchasing a copy of this video. I had recorded this off the tv but it must have got copied over. I wanted to show it to my 6 year old

Hi all, I have a 1.85m prime focus dish. I bought it second hand 4 years ago- it was previously at a bookmakers shop. I have been using it to pull in the Nordic beam on 4.8’E. I always felt I wasn’t maximising the signal as I didn’t think that I got the uplift in signal that I should have...