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QNEWS - SEPTEMBER 27 VK4 ON AIR

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DID YOUR CLUB TELL ANYONE ABOUT AMATEUR RADIO THIS WEEK?


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THE FOLLOWING NEWS CAN BE HEARD FROM OUR AUDIO SERVICE
Available in Audio RIGHT NOW

wiaq.org.au

OR

vk7ax.id.au/wianews/

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listennotes.com/podcasts/q-news-ar-news-from-queensland-qnews-vk4bb-SHd0OpZILt1/

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VK4 SILENT KEYS @ JULY 2020- MAY 2021 WIA YEAR

SK CALL SK NAME ADVISED BY

ex-VK4KJO Joachim Friedrich Ostrenski (Joe Ski) 9/920 (vk4zz)


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Hello, I’m Geoff Emery, VK4ZPP, and I’ve been thinking.

In preparing for the summer season, I have managed to erect my
previously used HF antenna on some fibreglass poles. The height
is barely above the surrounding building gables and it also
crosses over a metal awning and a metal clothes hoist,
both of which lower the effective height above ground.
This is of course, the constant challenge of radio amateurs
living in suburbia and on smaller blocks designed to increase
the housing density.

Where we live has been settled for a few years and seems to have
a largely older age group of residents. Now the reason I mention
the relative age of the locality is that in this part of Queensland
there is quite a high uptake of roof top solar photo-voltaics.
This brings me to the point of the story and that is I have been
trying to familiarise myself with a genuine 50 year plus, all valve
transceiver. Like all these beasts, you turn them on and walk away
until the valves are properly warmed and the electro-mechanical
components have reached a stable temperature, then you tune it,
as they used to say, for maximum smoke. Of course, we really don’t
want the magic smoke to leave parts of our gear because they then
no longer work properly or at all.

Now the issue is that on my re-erected antenna, I am receiving some
signals but I am being plastered by electromagnetic smog. At the
moment I haven't been able to identify discrete sources in the
neighbourhood. Visually, I know there are plenty of PV installations,
but the other items which might be involved are yet to be discovered.
Needless to say, when the S-meter rises to a 40dB over 9 level on
switch on, reading the mail on HF is really off the menu, to mix
metaphors.

I have been fortunate in other locations not to have been inundated
with EMC issues and it brings home the sad and sorry lack of
regulation that has afflicted users of the radio spectrum have
incurred by deregulation. Let me explain. Back when the CB explosion
was getting aluminium in the air, the then predecessor of the ACMA
endeavoured to prevent the sale of 40 channel 11 meter radios.
The Department of Trade fought back and some of the importers and
vendors managed to get the issue into court. It was held that it
would be a restraint of trade if the imports were banned and that
selling them was alright too. The illegality only happened when the
devices were connected for use. The dollar won that round at the
expense of effective regulatory process.

Since then we have had consumer goods marketed without suppression
components, after approval was granted. Plasma TV’s of course were
legal as were early switch mode computer power supplies. Now we have
led lighting, solar PV and linear wall power adaptors are banned,
replaced with dirty switching supplies all too often.

It is indicative that the inmates have taken over the asylum, when
the US Coastguard recommends vessels turn off the led lighting to
make satisfactory use of the two way radio system.

The aviation industry is concerned at the level RF crud that emanates
from ground sources and our regulators have the least numbers of
field staff following up compliance that have been employed, probably
in the last 75 years.

If you think this is wrong well so do I.

I’m Geoff Emery, VK4ZPP.



-------------------- A PODCAST IS AVAILABLE HERE--------------------*

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