vk2ig's channel
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1 week ago
New Cotter Dam overflow 2012 timelapse
Time lapse of Actew Dam Cam on 1/3/2012. Taken over about 2 hours with 40sec snapshots.
Original Dam Cam website is here:
vk2ig
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1 week ago
Cotter Dam 2012 Flood Overtopping Timelapse (11:30am - 10pm)
UPDATE: Newer video at http://youtu.be/-mrUDauevAc.
Beginning at 11:30am on 1st March 2012, till approximately 10:10pm.
Assembled from images pro...
vk2ig
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6 months ago
Milliwatt QRP SSTV tests with VK4VJR's live SSTV cam
Tests with VK4VJR's live SSTV cam west of Brisbane on 14.230 MHz.
Power output started at 500mW and was dropped to 100mW then 20mW.
Scotty 1 &...
vk2ig
commented:
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7 months ago
'Tiny Toy' 40m CW QRP transceiver
For many years I've derided QRP crystal controlled transceivers (eg the Pixie) as toys. There'd be kits, people would build them, make a contact o...
vk2ig
commented:
Hi Peter,
Good to work you QRPp this morning. Your signals RST 519-549 QSB & chirp. Thanks for posting this video - it's good to see the rig behind the QSO!
73,
Mike VK2IG/QRP
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7 months ago
160m AM portable from Glen Waverley
As a change from the normal bayside locations, today's activity was from Central Reserve, Glen Waverley.
A fence around a sports oval was used f...
vk2ig
commented:
@vk3ye Cheers Peter. I look forward to reading the article and seeing the video!
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7 months ago
Using two radios to receive HF SSB
A look at how an AM broadcast receiver is used to allow an AM-only shortwave receiver pick up SSB signals (this is how I used to listen when starti...
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9 months ago
VK3YE experimental 40m QRP beacon received 500km away (better audio)
A second recording of Peter VK3YE's low power experimental 40m QRPp beacon as heard at VK2IG near Gundaroo, NSW - this time at 0220Z on Sunday 27 M...
vk2ig
uploaded
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10 months ago
VK3YE Experimental USB powered 20mw Beacon on 7.160 MHz received in Lara by VK3CRG
VK3CRG receiving VK3YE Peter's experimental 40m beacon running only 20mw from Chelsea in Melbourne, Australia. I'm located in Lara just near Geelon...
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10 months ago
2011 Trans Tasman 80m Contest
Some sounds from the 2011 Trans-Tasman 80 metre amateur radio transmitting contest. The rig is a direct conversion DSB transceiver for 80m only.
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10 months ago
vk2ig
commented:
Well done on another great video, Peter! Good to work you during the contest. QRP stations worked from VK2IG/QRP: VK4MBL/2, VK2ACD, VK3ADB, VK3SMC, VK3UBM, VK3VCW (0.5W), VK3XPT, VK3YE, VK3ZPF, and VK7VH. I heard but didn't work ZL4IG/QRP. VK7VH/QRP was using a "serious" antenna - not sure wh...
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11 months ago
Glass CW audio filter
An audio band pass filter formed by holding a headphone to a glass.
Allows reception of weak CW signals when noise is high and demonstrates the ...
vk2ig
commented:
@vk3ye That sounds about right, it wasn't HR, CQ, or anything. It also had an article for a Morse keyboard using diode OR logic.
As I understand it, if you excite the tuning fork with the correct frequency of vibration, it should resonate and therefore operate as a sharp filter. I would expect t...
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11 months ago
vk2ig
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11 months ago
W2ENY PC headset microphone adapter for Amateur Radio use
Hi guys. I wanted to use a PC headset with my radio (I'm too pov to buy good expensive Heil headsets ;P ). I found some schematics online for mic a...
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11 months ago
USB port powered 40 metre milliwatt transmitter on air
Testing a 1 milliwatt beacon transmitter on 7160kHz.
This is a 2-transistor transmitter, comprising a 2N2222 crystal oscillator, a 2x1N4148 diode ...
vk2ig
commented:
Thanks for the guided tour of your experimental beacon, Peter - it's always interesting to see what's in the box!
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11 months ago
vk2ig
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11 months ago
VK3YE experimental 40m QRP beacon received 500km away
Peter VK3YE's low power experimental beacon as heard at VK2IG near Gundaroo, NSW, at 0220Z on Saturday 26 March 2011. The signal level is quite lo...
vk2ig
uploaded
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1 year ago
Homebrew USB port powered 30 metre WSPR transmitter
Testing a simple USB-powered WSPR beacon transmitter from a local beach.
As with my previous homebrew WSPR equipment, this one is double sideband...
vk2ig
commented:
Hi Peter, very impressive given your portable set-up and power from USB port of the laptop computer. My XYL and I liked your analogy of checking the WSPR spotting page with opening the chook shed door to see if there are any eggs - the latter is part of our daily routine here. :-) Cheers, Mike ...
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1 year ago
Labour Day 2011 160 metres AM portable
160 metres AM portable from Chelsea Reserve on Labour Day.
Video intended to provide a comparison for Ian VK3TB's portable and home station sign...
vk2ig
commented:
Very interesting, Peter. The difference in signal readability between Ian VK3TB's portable location and home location is quite revealing. The strawberries circa 3:00 looked nice! :-) Cheers, Mike VK2IG/QRP
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1 year ago
Do you get many questions? (when operating ham radio portable)
Whenever I go portable the most common question I'm asked over the air is whether passers by ask many questions.
This video answers this and giv...
vk2ig
commented:
@vk3ye Your video is clearly aimed at the 'open air' case, and addresses a sometimes-overlooked aspect of amateur radio publicity. You're spot on regarding curious looks for car seat portable operation ... while working you on 2m from Red Hill in the mid-90's, I was using a headset/microphone wi...
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1 year ago
VK3ZPF/P and VK2IG QRP on 80m
VK3ZPF/P and VK2IG - both QRP on 80m.
VK3ZPF was portable at Wilsons Prom to help others get the National Parks Award - see http://vk3zpf.blogspo...
vk2ig
commented:
Hi Peter, thanks for posting this video. Good to see you made contact with Peter VK3ZPF using the QRP DSB transceiver. Cheers, Mike VK2IG/QRP.
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1 year ago
Twenty years of Dick Smith Electronics catalogues - Part 2
Part 2 of our look at Dick Smith Electronic catalogues - this time late 1980s/early 1990s.
Part 3 will follow.
vk2ig
commented:
@vk2ig And further, I bought and built the HF kit in 1990 or so. I also bought all the band-change kits just in case ... :-) The receiver suffered from the same problem as the few 2m and 70cm units I saw operating: spurs arising from the counter circuitry. The transmitter (as built by me) deli...
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1 year ago
A 2m dipole made from a telescopic TV antenna
Just a simple antenna for 144 MHz portable operating made from indoor TV bunny ears.
No extravant claims are made, but it should perform better t...
vk2ig
commented:
That's great, Peter, and I like the idea of converting it to a yagi!
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1 year ago
QRP portable from Phillip Island (IOTA OC-136)
A QRP portable mini-expediton to Phillip Island, about 100km SE of Melbourne.
The Ten Tec R4020 provided CW contacts on 40 & 20 metres. 14 conta...
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1 year ago
Five minute portable station: HF QRP DSB from Port Phillip Bay
Yet another QRP portable video. Done from the beach on a sunny afternoon.
This time it's a homebrew double-sideband direct conversion transceiv...
vk2ig
commented:
Nice video, Peter, Your homebrew transceiver made 4x9 QRN (lightning static) on 3613 kHz, last Friday night to my QTH near Gundaroo, NSW. It sounded good on either sideband. :-)
(My station consisted of an FT-817 running 5W via an ATU and homebrew 600 Ohm line to an inverted vee.)
73,
Mike V...
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1 year ago
Starting a New Bee Hive
Dan explains how he puts a new colony of bees into their new hive. Protective clothing, tools and equipment are shown and explained. If you have an...
vk2ig
commented:
We have a beehive, we also have "cellphones" (we call them "mobile phones" here), and we both do amateur radio - and our bees aren't dead yet!
A lot of beehives are too stressed - they get moved around too much, or the commercial producers take too much honey from them. Our beehive hasn't moved ...
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2 years ago
John Moyle Field Day 2010 - portable from Chelsea Beach
HF SSB portable for the annual John Moyle Field Day contest.
500 milliwatts was used to make 50 contacts in about 5 hours of operating. 40 metre...
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Very interesting Peter. I was listening/watching on 14230 kHz this morning, but was a little late for your tests. I didn't do any transmitting; as I'm still learning to use MultiPSK for SSTV, and will only go to air when I'm happy everything is set up correctly. Sending a test card to one of t...