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Thread: Ladder line Quick connections
Post: RE: Ladder line Quick connections
| I solved this problem with a knife switch, which is still working great. Thanks for all the suggestions though.
[hr]
VK3RX Wrote: (05-03-2019, 01:51 PM)
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My open wire line is about 100mm apart and ... |
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VK4AQJ |
Towers, Masts & Transmission Lines, Antennas
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13 |
5,588 |
29-10-2019, 12:57 PM |
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Thread: Australia is a BIG country
Post: RE: Australia is a BIG country
| Yes, my doctor who is a recent immigrant was amazed when I told him that we were driving from Gladstone to Brisbane on the weekend. He assumed that I would be flying. I didn't have the heart to tell ... |
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VK4AQJ |
General Discussion
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14 |
3,342 |
19-04-2019, 09:26 AM |
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Thread: Future assessments - WIA or other ??
Post: RE: Future assessments - WIA or other ??
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VK2CSW Wrote: (02-02-2019, 01:43 PM)
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VK4AQJ Wrote: (02-02-2019, 01:28 PM)
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I predict that the examination process will become more expensive. It's probably self-evident.
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Not necessarily se... |
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VK4AQJ |
Regulatory, Licencing & Exams
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39 |
8,100 |
02-04-2019, 01:32 PM |
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Thread: Ladder line Quick connections
Post: RE: Ladder line Quick connections
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VU2NAN Wrote: (20-01-2019, 04:43 PM)
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Hi OM Doug,
In that case OM Jim's best bet is the DPDT knife switch!
Many thanks.
73,
Nandu.
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- and that's exactly what I did! - but thank you ... |
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VK4AQJ |
Towers, Masts & Transmission Lines, Antennas
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13 |
5,588 |
04-03-2019, 11:32 AM |
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Thread: Future assessments - WIA or other ??
Post: RE: Future assessments - WIA or other ??
| "Yes, I am an old fogey but the newer minds that are currently driving the WIA obviously read something wrongly - they didn't win the Tender with their approach. They might be highly qualified with l... |
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VK4AQJ |
Regulatory, Licencing & Exams
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39 |
8,100 |
24-02-2019, 08:58 AM |
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Thread: Future assessments - WIA or other ??
Post: RE: Future assessments - WIA or other ??
| I predict that the examination process will become more expensive. It's probably self-evident. |
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VK4AQJ |
Regulatory, Licencing & Exams
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39 |
8,100 |
02-02-2019, 01:28 PM |
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Thread: New FT8 and MSK144 formats, please read
Post: RE: New FT8 and MSK144 formats, please read
| The only thing extra I had to do was to update JT-alert-x. I hadn't realised that it was this add-on that did most of the logging. |
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VK4AQJ |
Digital Modes
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13 |
3,698 |
11-12-2018, 04:01 PM |
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Thread: Beacons
Post: RE: Beacons
| Actually I can see one problem, and that is the JT modes go obsolete very quickly. I was trying to find something that would decode JT65A on the VK4RTT beacon, and the WSJT-x suite has long abandoned... |
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VK4AQJ |
144MHz & 432MHz
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24 |
6,389 |
28-11-2018, 07:15 AM |
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Thread: Beacons
Post: RE: Beacons
| The advantages of a WSPR beacon outweigh any disadvantages (and I can't think of any). If you can just see the signal on the waterfall, you can decode the signal. I've been monitoring the VK4RBC be... |
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VK4AQJ |
144MHz & 432MHz
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24 |
6,389 |
27-10-2018, 12:10 PM |
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Thread: ACMA Spectrum Outlook : 5MHz / 60 metres
Post: RE: ACMA Spectrum Outlook : 5MHz / 60 metres
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VK4ADC Wrote: (27-09-2018, 02:10 PM)
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Must have a listen across that band occasionally and see what I can hear internationally ....
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There are some very strong signals on 60m from Hawaii at thi... |
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VK4AQJ |
LF, HF, MF
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6 |
2,611 |
23-10-2018, 11:21 AM |
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Thread: ACMA Spectrum Outlook : 5MHz / 60 metres
Post: RE: ACMA Spectrum Outlook : 5MHz / 60 metres
| It doesn't come as a great surprise. There's always crossband operation - 60m to 40m for example. |
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VK4AQJ |
LF, HF, MF
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6 |
2,611 |
27-09-2018, 11:19 AM |
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Thread: Ladder line Quick connections
Post: RE: Ladder line Quick connections
| Good idea! I was asking the wrong question. As Wayne said, the spacing would not be too much of an issue. Remote operation is less of an issue, as all I have to do is walk across to the tuner out... |
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VK4AQJ |
Towers, Masts & Transmission Lines, Antennas
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13 |
5,588 |
21-09-2018, 01:36 PM |
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Thread: Ladder line Quick connections
Post: Ladder line Quick connections
| I'm trying to find something that probably doesn't exist. I use 450Ohm Ladder line for my MF ATU, and I use the same line for 160metres. I have to make and break the connection every time I switch f... |
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VK4AQJ |
Towers, Masts & Transmission Lines, Antennas
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13 |
5,588 |
20-09-2018, 06:16 AM |
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Thread: VK Classifieds - WIA's Darkest Hour???
Post: RE: VK Classifieds - WIA's Darkest Hour???
| A very wise decision in the interest of freedom of speech. |
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VK4AQJ |
W.I.A. / ITU / IARU
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18 |
8,285 |
01-08-2018, 04:09 PM |
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Thread: Overwhelming support for WIA LCD Submission
Post: RE: Overwhelming support for WIA LCD Submission
| It's a very good submission, but if ACMA actually grants any of these conditions, I'll be totally amazed. Are there any non predatory species at ACMA? |
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VK4AQJ |
Regulatory, Licencing & Exams
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2 |
1,563 |
30-07-2018, 03:38 PM |
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Thread: VK Classifieds - WIA's Darkest Hour???
Post: RE: VK Classifieds - WIA's Darkest Hour???
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VK4ADC Wrote: (17-05-2018, 07:37 PM)
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Personally, I suggest that RASA and the WIA can co-exist even if it does divide the attention from ACMA to the two bodies, and also think that it is probably w... |
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VK4AQJ |
W.I.A. / ITU / IARU
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18 |
8,285 |
28-05-2018, 01:45 PM |
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Thread: The FT8 digital mode has big uptake
Post: RE: The FT8 digital mode has big uptake
| I agree with the comments. It's becoming harder and harder to have a DX QSO as we approach the Solar Minimum and although it's a minimalist QSO, it's no less so than the average CW QSO when working DX... |
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VK4AQJ |
Digital Modes
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13 |
4,295 |
28-05-2018, 12:10 PM |
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Thread: The FT8 digital mode has big uptake
Post: RE: The FT8 digital mode has big uptake
| "The adverse effect of FT8 is that it requires minimal skills and provides minimum in the way of a challenge. Click on a DX callsign on screen, click on the Tx |
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VK4AQJ |
Digital Modes
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13 |
4,295 |
28-05-2018, 09:50 AM |
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Thread: MW Broadcast QRM on 160m
Post: RE: MW Broadcast QRM on 160m
| Thanks Doug, I'm going to go with a separate receive antenna for now, and that will have to be my 40m dipole until I get something better.
"You didn't confirm whether you had placed the series ... |
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VK4AQJ |
LF, HF, MF
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8 |
3,776 |
03-04-2018, 12:35 PM |
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Thread: MW Broadcast QRM on 160m
Post: RE: MW Broadcast QRM on 160m
| Well, I tried a few things while our midweek 160m net was on. First of all, the precise distance to the MW broadcast antenna is 2.9km. I had this very strong Broadcast QRM on the net frequency, and ... |
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VK4AQJ |
LF, HF, MF
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8 |
3,776 |
30-03-2018, 05:22 PM |
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Thread: Getting back on HF in restricted space
Post: RE: Getting back on HF in restricted space
| Many people don't like them, but in my experience, a properly constructed OCF dipole will work extremely well. I never experienced any TVI issues.
I was able to stack 80m and 30m OCF antennas qui... |
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VK4AQJ |
LF, HF, MF
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8 |
3,752 |
23-03-2018, 09:40 AM |
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Thread: NBN Sagas
Post: RE: NBN Sagas
| I'll hang on to my ADSL connection as long as possible. I'm getting 15Mb/s at the moment, and they anticipate we'll have NBN between July and October this year. At least they are going with FTTC (FT... |
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VK4AQJ |
Computer related
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18 |
5,199 |
20-03-2018, 10:01 PM |
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Thread: The future of Amateur Radio update - Jan 2018
Post: RE: The future of Amateur Radio update - Jan 2018
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VK4ADC Wrote: (20-03-2018, 07:42 AM)
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VK4AQJ Wrote: (20-03-2018, 03:57 AM)
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"The first survey showed that future Amateur Radio licencing must not be less than what is in the current apparatus li... |
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VK4AQJ |
W.I.A. / ITU / IARU
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3 |
3,039 |
20-03-2018, 09:24 AM |
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Thread: The future of Amateur Radio update - Jan 2018
Post: RE: The future of Amateur Radio update - Jan 2018
| "The first survey showed that future Amateur Radio licencing must not be less than what is in the current apparatus licencing."
Dare I ask why? Looking at the US, the UK, and now Sweden, many peopl... |
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VK4AQJ |
W.I.A. / ITU / IARU
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3 |
3,039 |
20-03-2018, 03:57 AM |
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Thread: MW Broadcast QRM on 160m
Post: RE: MW Broadcast QRM on 160m
| Damien,
Thanks for your reply. The - 50dB figure came from correspondance from the Radio Station engineer and another local amateur. It reinforces what I was thinking. I will check the power out... |
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VK4AQJ |
LF, HF, MF
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8 |
3,776 |
17-03-2018, 04:49 PM |
