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Thread: Off-Centre Fed Dipole Question/s
Post: RE: Off-Centre Fed Dipole Question/s
| Cheers Terry.
I might go and rattle Farmer John or Nutrien's cages.
Or I might put some polypipe offcuts to work...
But not today! Too miserable outside and we have a long lunch planned at Ka... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
17-08-2024, 08:38 AM |
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Thread: Off-Centre Fed Dipole Question/s
Post: RE: Off-Centre Fed Dipole Question/s
| Running out of excuses...
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
16-08-2024, 06:37 PM |
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Thread: Off-Centre Fed Dipole Question/s
Post: RE: Off-Centre Fed Dipole Question/s
| I ducked into Hammerbarn on my way home today.
Their website said they had some white GRP strain insulators in stock.
Of course, they didn't. While wandering the aisles looking for ideas (and fi... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
14-08-2024, 06:38 PM |
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Thread: Off-Centre Fed Dipole Question/s
Post: RE: Off-Centre Fed Dipole Question/s
| Not a bad idea, thanks Terry.
Random text to make the character limit.
You know you're getting old when the radio stations and bars play music you don't like, but the supermarket is throwing out b... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
13-08-2024, 07:11 PM |
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Thread: Off-Centre Fed Dipole Question/s
Post: RE: Off-Centre Fed Dipole Question/s
| Thanks Terry.
I haven't tried the ag places a bit further out - might be an excuse for a run towards the river... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
12-08-2024, 05:18 PM |
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Thread: Off-Centre Fed Dipole Question/s
Post: Off-Centre Fed Dipole Question/s
| For some reason I started looking for alternate antenna ideas, again.
I came across on article on the FAMPARC website about an 80m OCF which also described a 40m OCF.
It piqued my interest, so n... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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32 |
5,238 |
11-08-2024, 08:09 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Yesterday and today, between bouts of chainsawing and mulching, I managed to make some, well, progress.
The sweeps of the commercially made G5RV Jnr were all over the place. Nothing where it should... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
10-08-2024, 04:35 PM |
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Thread: SOLAR FLUX INDEX AUGUST 8 2024 REPORTED AS 303
Post: RE: SOLAR FLUX INDEX AUGUST 8 2024 REPORTED AS 303
| She cannae take any more, Captain! She's gonna blow! |
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VK2CSW |
General Discussion
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3 |
1,392 |
09-08-2024, 04:57 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Hi Doug,
The wire is about 1.5 metres above the edge of the roof. Not ideal, I agree. I have a cunning plan to raise the centre pole another metre or so but that will be about the limit due to moun... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
07-08-2024, 05:26 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| So I dodged some showers and a cold wind this afternoon.
The results on the VNA were disappointing, so more investigation is required.
Below are a few photos of the cable tube, the mounts and th... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
05-08-2024, 07:28 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Well, some progress.
As I may have said elsewhere, the three supports are up. Three hockey stick eave mounts with a 1m long 40mm PVC pipe cross bar and some custom rigging saddles for the halyards.
... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
04-08-2024, 08:43 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Cheers Doug.
I shall drop past Cheap as Chips and pick up some scourers.
I dropped in to "Hammer Barn*" and grabbed some 50mm PVC pipe and some silicon sealant.
So now the missing item is now... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
30-07-2024, 05:59 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Hey Peter,
I picked up some 50mm bends today at Nuri. Of course, the offcut of 50mm pipe that was under the bench is actually 75mm.
I was looking for mounting ideas while there but came up empty. A... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
29-07-2024, 08:50 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: RE: Cable Penetrations - Corrugated Colorbond Wall...
| Hi Terry,
I have looked at some of those types of seals. While effective, they are unsightly and would fail the SWMBO approval process.
I think I may a short piece of some 50mm PVC pipe with a 4... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
29-07-2024, 04:54 PM |
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Thread: Cable Penetrations - Corrugated Colorbond Walls
Post: Cable Penetrations - Corrugated Colorbond Walls
| I am looking for ideas for cable penetrations on a corrugated Colorbond shed wall.
What do folks do?
The use of conduit glands is made difficult due to the corrugations.
It needs to be neat a... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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11 |
2,619 |
28-07-2024, 05:04 PM |
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Thread: visualising my logbook day by day
Post: RE: visualising my logbook day by day
| Peter,
Well it had to happen. I finally had to fluke a good idea, it's only taken 60 years :)
Glad to be of service. |
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VK2CSW |
Computer related
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6 |
2,031 |
11-07-2024, 05:52 PM |
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Thread: visualising my logbook day by day
Post: RE: visualising my logbook day by day
| Peter,
If there is a way to extract the distance from the logs, then a bar chart or plot of distances in chronological order might be cool.
Actually, a heat map might be a better way to show the... |
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VK2CSW |
Computer related
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6 |
2,031 |
10-07-2024, 07:52 PM |
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Thread: Wire Antennas and Foliage
Post: RE: Wire Antennas and Foliage
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VK5TM Wrote: (09-07-2024, 08:48 AM)
--
The other thing to remember is that when it finally gets around to raining, wet foliage will have a marked effect on the antenna performance.
--
A) It doesn't... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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4 |
1,885 |
09-07-2024, 05:42 PM |
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Thread: Wire Antennas and Foliage
Post: RE: Wire Antennas and Foliage
| I am not sure pruning would be helpful, as then there would be no longer be much support :)
Callistemons are not substantial trees, on the whole. I suppose it wont take a lot to give it a go, once ... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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4 |
1,885 |
08-07-2024, 08:42 PM |
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Thread: Wire Antennas and Foliage
Post: Wire Antennas and Foliage
| Hi All,
Although I live on a large block with a couple of generous sheds, there are no big trees closer than 40 or 50 metres from the shed. To complicate things that 40 or 50 metres also crosses th... |
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VK2CSW |
Towers, Masts & Transmission Lines, Antennas
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4 |
1,885 |
08-07-2024, 05:58 PM |
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Thread: LOTW back on air officially
Post: RE: LOTW back on air officially
| Phew, all is right with the world, again. :D |
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VK2CSW |
General Discussion
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1 |
1,562 |
04-07-2024, 06:14 PM |
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Thread: WSJT-X and JTDX .adi files
Post: WSJT-X and JTDX .adi files
| Hello All,
I am considering having a play with JTDX, in the spirit of experimentation and self-learning...
After installing it, I realised that it will be a blank sheet - there will be no record... |
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VK2CSW |
Computer related
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0 |
1,060 |
23-06-2024, 08:18 PM |
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Thread: QYT KT-9900
Post: RE: QYT KT-9900
| K3NXU (John) has some useful info on his site too:
https://www.miklor.com/COM/UV_ProgrCable8900.php |
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VK2CSW |
144MHz & 432MHz
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5 |
1,918 |
17-06-2024, 04:41 PM |
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Thread: QYT KT-9900
Post: RE: QYT KT-9900
| Hi Doug,
One question, were you using the TTL at 3.3 or 5v?
Or does it not really matter? |
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VK2CSW |
144MHz & 432MHz
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5 |
1,918 |
16-06-2024, 06:34 PM |
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Thread: QYT KT-9900
Post: RE: QYT KT-9900
| Cheers Doug.
The use case would generally be local repeaters, however as I said, there isn't much action there which lowers the attractiveness of the whole exercise.
Which follows on to the effo... |
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VK2CSW |
144MHz & 432MHz
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5 |
1,918 |
16-06-2024, 04:18 PM |
