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Problems, problems, problems...; A range of equipment issues that hamper my ability to get out
Topic Started: Thursday, 2. June 2016, 21:42 (1,398 Views)
rustysheriff
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26 Charlie Tango 2142

Silverghost: Yep, on all of the coax involved (on both antennas!). Sturdy multimeter as usual.

Razor: Duty noted. The last testing I did with it was bringing it up from 170 degrees to see if there was any effect on the swr readings. I just left it in the end...

Lagerland: I suspected that, but couldn't find anything definitive online.

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rustysheriff
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26 Charlie Tango 2142

...and by the way, thanks gents, it's nice a have a wealth of help!

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So have you tested it yet away from the house yet m8,ie in open space.I.will be interested in your findings. . . . . . . . . . . . . . .
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Lagerland
Sunday, 5. June 2016, 07:05
So have you tested it yet away from the house yet m8,ie in open space.I.will be interested in your findings. . . . . . . . . . . . . . .


Dont get me wrong Google is the mutz nutz for a lot of things,but theres nothing better that learning from other operators findings,learning from experience there is nothing better m8..........................

Hope that dont sound to derogatory,its not ment to m8... . . . . . . . . . . . .
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rustysheriff
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26 Charlie Tango 2142

Lagerland
Sunday, 5. June 2016, 07:10
Lagerland
Sunday, 5. June 2016, 07:05
So have you tested it yet away from the house yet m8,ie in open space.I.will be interested in your findings. . . . . . . . . . . . . . .


Dont get me wrong Google is the mutz nutz for a lot of things,but theres nothing better that learning from other operators findings,learning from experience there is nothing better m8..........................

Hope that dont sound to derogatory,its not ment to m8... . . . . . . . . . . . .


Not yet, it'll be difficult to get the antenna away from the house as the house is helping to hold it up! I need to think of a situation that will allow me to do that. Maybe my next move should be to try mobile as suggested before, but ideally I'm after a homebase setup. Maybe if I got the T2LT out mobile I could at least check it away from the gaff.

Oh, and no offence, non at all, you guys have helped far more than google ever could!
Edited by rustysheriff, Sunday, 5. June 2016, 11:59.
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Roy
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104 Charlie Tango 011

Lagerland
Saturday, 4. June 2016, 19:39
Looking at where you have the antenna m8,it must be reflecting off the wall. . . . . . . . . . . . . . . . .


It has to be in free space,or as free as you can get it...................
Hi Paddy , Dave / All

Paddy I fully agree with Dave regarding the reflection issue... your present set up is far too close to the wall to ever hope of getting a true SWR reading.
I fully recommend that you test your antenna in FREE SPACE.

A few years ago I had a similar experience when I was checking out a new Sirio 4000 mobile antenna just outside my house, the car was parked with the nose of the car very close to a 3 mt high brick wall, beining very reluctant to start chopping bits of the whip I moved the car (just a few mts) and the swr reading improved.

And to help avoid you starting to chop pieces of your T2TL antenna, try DOUBLING to top of the antenna over on itself, this will also have an influence on your swr readings.

Good luck Paddy... welcome to the crazy world of radio :D
Roy 104DA101 & 104ET001 + 104CT011
Your Radio Friend in Corsica Island

Website : My Webpage

YouTube Channel : My Webpage


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rustysheriff
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26 Charlie Tango 2142

Roy
Sunday, 5. June 2016, 12:08
try DOUBLING to top of the antenna over on itself, this will also have an influence on your swr readings.


Right at the top? Yep I've gone back 2" and that gives me even swr readings on channels 1 and 40.
Edited by rustysheriff, Sunday, 5. June 2016, 12:23.
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rustysheriff
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26 Charlie Tango 2142

Another interesting observation, is that the higher I raise the T2LT, and thus away from the wall a little more, the swr drops a bit. Which does suggest the proximity of the wall is having an impact. My next idea would then be to raise it right up somehow so that the choke is almost at roof height.

What do you think (until I can get it into an open space?)?
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Nubster
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26 Charlie Tango 050

There is a old saying with all antennas, HIGHT is MIGHT so basicly yes the higher the antenna (any antenna ) the better ,so get it up high in to open space

Life is too short, so ave a laugh now n then never know you might like it
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Roy
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104 Charlie Tango 011

rustysheriff
Sunday, 5. June 2016, 12:34
Another interesting observation, is that the higher I raise the T2LT, and thus away from the wall a little more, the swr drops a bit. Which does suggest the proximity of the wall is having an impact. My next idea would then be to raise it right up somehow so that the choke is almost at roof height.

What do you think (until I can get it into an open space?)?
The more FREE SPACE that the antenna can operate in the better.... simple as that.
Roy 104DA101 & 104ET001 + 104CT011
Your Radio Friend in Corsica Island

Website : My Webpage

YouTube Channel : My Webpage


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Roy
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104 Charlie Tango 011

Roy
Sunday, 5. June 2016, 12:42
rustysheriff
Sunday, 5. June 2016, 12:34
Another interesting observation, is that the higher I raise the T2LT, and thus away from the wall a little more, the swr drops a bit. Which does suggest the proximity of the wall is having an impact. My next idea would then be to raise it right up somehow so that the choke is almost at roof height.

What do you think (until I can get it into an open space?)?
The more FREE SPACE that the antenna can operate in the better.... simple as that.
Without getting technical and sounding like a smart ass ( whicj I'm not), there are LOTS of things that influence the performance of an antenna.

For instance the type of ground that you are operating from, for example operating from ground that has lots of granite in it is much better than sandy earth, and then there is working very close to salt water which can yeild fantastic results.

But in the meantime I suggest HEIGHT and as much clearance from BUILDINGS is your priority right now
Roy 104DA101 & 104ET001 + 104CT011
Your Radio Friend in Corsica Island

Website : My Webpage

YouTube Channel : My Webpage


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razor36
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move it further away from your house and tie some string from ur antenna to the fence to anchor it
M0LSG
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Northern Crusader
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26 Charlie Tango 1760

If you can't get your antenna spaced several feet away from the wall the best SWR you're ever going to hope to get is going to be in the 2.5-3:1 range.
26CT1760 / M0GVZ
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Davethedog
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108 Charlie Tango 285

Hi,

You could very well have a metal lintel over your window frame beneath the brickwork, this could cause an issue being so close to the antenna.
Like the previous posts, take your stuff for a drive set it up in the open, then you can rule out the equipment and concentrate on the location.
Ground your radio too!

Dave.
108.CT.285... 108.WAC.285....Jobs a Good un!
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