I found this little calculator interesting comparing losses and deciding if I re-run some of my RG213 feeds with LDF4-50 on 50/144/432.
http://www.ocarc.ca/coax.htm
Darrell vk2bls
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1
on: 25 January 2010, 10:35:01 AM
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| Started by vk2bls - Last post by vk2bls | ||
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2
on: 25 January 2010, 10:29:49 AM
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| Started by VK2TEQ - Last post by vk2bls | ||
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Hi Greg,
Xmas/New greetings to you and yours as well. Not been many posts since your 2008 greeting..... ![]() Cheers & 73 Darrell vk2bls |
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3
on: 21 January 2010, 09:43:09 PM
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| Started by VK2TEQ - Last post by VK2TEQ | ||
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To all at the "I.A.R.S"
A belated Merry Christmas and a Prosperous 2010. VK1TEQ (formally VK2TEQ) |
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4
on: 11 November 2009, 09:09:33 AM
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| Started by vk2bls - Last post by vk2bls | ||
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For those not aware, there has been a morning Meteor Scatter (MS) session on 6 metres almost each day for some time now and all are welcome to join in the fun.
Brad VK2QO was the instigator and prompted my interest in the activity a few months back. Brad inspired me to dabble around more with 6 Metres and discover some of its hidden facets and magic of various modes on 6. From around 1900utc (6AM esdt) a small group of 'Ping Jockeys' drags themself out of bed in VK2 thru to VK7, fill up with coffee, fire up the rigs and start calling CQ on SSB/CW & Digi modes. Some of the distant regulars are: Scott-VK4CZ, Phil-VK4FIL, Brian-VK4QB, Glen-VK7AB, John-VK7XX and VK1, VK3 & VK5 popping in now and then. 50.200 is used for SSB/CW 50.220/50.230 is used for digital modes, such as FSK441, JT6M and JT65a... The colours on VKLOGGER are Red for ssb/cw and green for digi spots. There is an un-offical contest of who gets the first/most red or green paint on the Spots map, by the ssb/cw guys, or those digi guys from the 'Dark Side'. The contacts are usually quick and fleeting qso's carried on the bursts and burns of morning meteorites. Aircraft enhancement also yields some nice qso's. Brad VK2QO is well versed up on the technical side & 'ins & outs ' of it all and will gladly detail further explanations .The power levels and antennas we use are modest compared to the arrays and QRO serious 'MS' chasers would employ. However, some very pleasing contacts are regularly made with just 50 Watts, a couple of elements or even a simple wire loop (my HEN ). Brad has produced 6M MS Award certificates, for those achieving various best distances, number of contacts on different modes etc. Anyway guys, please drop in on Brad's little session and try your luck. 73 Darrell vk2bls - Ping Jockey ![]() |
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5
on: 11 May 2009, 10:12:45 AM
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| Started by John Simon - Last post by John Simon | ||
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Well after over twenty odd years of operation the VK2XGJ BBS will be closing down on 31st May 2009.
Lack of Users is the cause. I was asked some time ago if the IARS could use my BBS for information etc, permission was given but never used. So it is "So long and tnx for all the fish!" 73, John de VK2XGJ Never drive faster than your Guardian Angel can fly. |
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6
on: 04 March 2009, 07:50:42 PM
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| Started by vk2vnj - Last post by vk2vnj | ||
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A very small radio: check out the March 2009 Scientific American article on nanotube radios, or visit:
http://www.physics.berkeley.edu/research/zettl/projects/nanoradio/2007_Nanoletters_Nanotube_radio.pdf and http://www.physics.berkeley.edu/research/zettl/projects/nanoradio/radio.html. Kinda cool. Neil VK2VNJ |
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7
on: 13 February 2009, 08:30:45 PM
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| Started by vk2vnj - Last post by vk2vnj | ||
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I've been doing a bit of investigation on this.
For the IC-91ad and ic-2820, the cable part is OPC-1529R. It is a very simple cable, plans to build one can be found at: http://highfields-arc.6te.net/constructors/other/opc1529r.htm I have built one of these and successfully used it to program my 91AD. For the IC-800H, an OPC478 is required. This is more complicated; plans are available here: http://www.scanshack.com/r10/bopc478.htm and http://www.hamradio.cc/projects/opc-478.php If you don't want to build one, I also found a relatively cheap source in Australia: http://www.radioworks.com.au/category5_1.htm For the IC-92AD, you may be able to work something out with the info here: http://www.pd0hni.nl/my_dstar.htm Once you have a cable, you can use the free chirp software to do the programming. For more info: http://www.dstar.org.au/icf.htm |
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8
on: 06 December 2008, 10:55:39 PM
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| Started by VK2TEQ - Last post by VK2TEQ | ||
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Merry Christmas and a Happy New Year (2008)
VK1TEQ... |
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9
on: 11 September 2008, 09:40:54 AM
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| Started by vk2eah - Last post by vk2eah | ||
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Hi All,
Andy VK2EAH here, located at Mt Colah about 30km north of Sydney. I have been "on air" with the DV Dongle for the last couple of weeks and hope to be really on air with an IC2200H in the next couple of days. Just wondering what the status is regarding the gateway for VK2RDS? A report on the WIA D-Star mail list recently said it was only active on Port C (2m) and no gateway yet. Anyway, hope to chat with some of you soon. 73 Andy |
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10
on: 02 September 2008, 11:20:27 AM
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| Started by vk2sja - Last post by vk2sja | ||
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Hi All,
Does anyone know where you can locally buy/source adjustable canned inductors such as a Toko KANK 3333, 3334 and 3335? 73, Steve. |
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