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    Thread: ADS-B Receivers needed - AirScout Aircraft Scatter Software
Post: RE: ADS-B Receivers needed - AirScout Aircraft Sca...

G'day All, A fix has been found to get the plane feeds up and running again in AirScout - big thanks goes to Tim, VK2XAX. It's pretty straight forward to do, just follow these steps. 1. Make ...
VK1JA Computer related 5 2,283 19-12-2023, 12:23 PM
    Thread: ADS-B Receivers needed - AirScout Aircraft Scatter Software
Post: RE: ADS-B Receivers needed - AirScout Aircraft Sca...

Good morning all, Just as an update, I've been in contact with Thomas and he has now set up a test server for Australian ADS-B data feeds. He said that he will start getting in contact with the ...
VK1JA Computer related 5 2,283 10-12-2023, 03:36 PM
    Thread: ADS-B Receivers needed - AirScout Aircraft Scatter Software
Post: RE: ADS-B Receivers needed - AirScout Aircraft Sca...

Great stuff, thanks Peter. I have recently heard that Thomas has had a bad hit of the flu, so may not respond quickly.
VK1JA Computer related 5 2,283 29-11-2023, 06:57 PM
    Thread: ADS-B Receivers needed - AirScout Aircraft Scatter Software
Post: ADS-B Receivers needed - AirScout Aircraft Scatter...

Hi All, Apologies as this will be posted across multiple groups. Users of AirScout, the software that calculates the angle/line between two stations to enable a contacts to be made via AE enhanc...
VK1JA Computer related 5 2,283 25-11-2023, 04:36 PM
    Thread: Turn over your dusty or unloved uWave gear
Post: RE: Turn over your dusty or unloved uWave gear

G'day Roger, Thanks very much, it's just the info and headstart that I needed! I'll grab one of each boards and start playing around.  You mention 'mods to the PLL board' what mods are there? I had...
VK1JA 1296MHz, Microwave & Opto 6 29,977 20-08-2023, 06:56 AM
    Thread: Turn over your dusty or unloved uWave gear
Post: RE: Turn over your dusty or unloved uWave gear

I'm starting to delve into the micowave bands having just built a F6DVA 10GHz transverter. Test and tuning is difficult at these freqencies when you have limited test gear. If anyone has a ZLPLL l...
VK1JA 1296MHz, Microwave & Opto 6 29,977 18-08-2023, 09:38 AM
    Thread: 2023 Winter VHF/UHF Field Day weekend June 24th & 25th
Post: RE: 2023 Winter VHF/UHF Field Day weekend June 24t...

G'day Nik, Great work on the portable 2 - 10 setup There's usaully at least 3 or 4 home stations on for the field days in VK1 (myself included) active on 6m through to 13cm and always keen to gi...
VK1JA Contests, Field Days, Portable Operation, JOTA, SOTA 5 11,710 19-05-2023, 08:39 AM
    Thread: LNA Problem - Noise Floor High When Cold..
Post: RE: LNA Problem - Noise Floor High When Cold..

Thanks for the tips. I hadn't thought about the obvious test with the freezer spray. I'll grab some from Jaycar my next trip there, which shouldn't be too far away!
VK1JA 144MHz & 432MHz 3 6,932 12-03-2023, 04:03 PM
    Thread: LNA Problem - Noise Floor High When Cold..
Post: LNA Problem - Noise Floor High When Cold..

Morning All, I have a problem with my 70cm LNA after I 'repaired' it that I was hoping to get some guidance on fixing.. The LNA is a VHF Design 70cm LNA that was working very well until I had a ...
VK1JA 144MHz & 432MHz 3 6,932 12-03-2023, 07:29 AM
    Thread: 1mm monofilament line...how long does it last outdoors
Post: RE: 1mm monofilament line...how long does it last ...

Hi Nev, Sorry for the late reply. My first purchase of mono was from BCF many years ago, but they don't seem to sell it anymore! The second, most recent purchase was from eBay, links are belo...
VK1JA Towers, Masts & Transmission Lines, Antennas 9 2,522 12-11-2022, 06:58 AM
    Thread: 1mm monofilament line...how long does it last outdoors
Post: RE: 1mm monofilament line...how long does it last ...

Hi Nev, I've used both 1.5mm and 2mm mono before to guy a 6BTV on the roof of our house. You're correct that the visual impact is very low, and at certain angles you can't see the mono at all. ...
VK1JA Towers, Masts & Transmission Lines, Antennas 9 2,522 06-11-2022, 06:52 AM
    Thread: Tigo TS-4 Optimisers First Hand Advice?
Post: Tigo TS-4 Optimisers First Hand Advice?

Hi all, Talking home (grid tie) solar electricity setups. We have a vertical band of shade that moves across our panels through the day which is reducing the string voltage arcoss the whole arra...
VK1JA EMC, Interference 0 1,503 04-06-2020, 04:25 PM
    Thread: It's over. Amateur Radio Magazine scanning project.
Post: RE: It's over. . Amateur Radio Magazine scanning p...

Wow, massive job! Thank you all for the time and effort sharing.
VK1JA General Discussion 10 2,154 15-05-2019, 10:03 PM
    Thread: Twin Needle SWR meter movements
Post: RE: Twin Needle SWR meter movements

Thanks for the links, I'll have a look. Another project on the to do list :)
VK1JA Ancillary, Test Equipment, Components & Parts 9 3,036 15-05-2019, 04:39 PM
    Thread: Twin Needle SWR meter movements
Post: RE: Twin Needle SWR meter movements

Hi Terry, I thought I'd give one a try, for the price it will get used somewhere, no doubt :) They are a good size for a 2RU rack case, providing the support rails in the rack case don't get in...
VK1JA Ancillary, Test Equipment, Components & Parts 9 3,036 14-05-2019, 09:00 PM
    Thread: Twin Needle SWR meter movements
Post: RE: Twin Needle SWR meter movements

It would be interesting to see how easy it is to overlay a different scale over the face, the 10w max forward power is too low for most applications.
VK1JA Ancillary, Test Equipment, Components & Parts 9 3,036 03-05-2019, 09:11 PM
    Thread: Moon Orbiter
Post: RE: Moon Orbiter

Well done John! I keep meaning to have a look for it, but forget to check their twitter feed to see when they have it scheduled to transmit :(
VK1JA Satellites & Balloons 6 2,238 16-10-2018, 07:09 AM
    Thread: Moon Orbiter
Post: RE: Moon Orbiter

I didnt have any decodes this morning, so nothing from me.
VK1JA Satellites & Balloons 18 3,712 01-07-2018, 05:27 PM
    Thread: Moon Orbiter
Post: RE: Moon Orbiter

I'll be listening in at 2am on Sunday morning.... Or should I say, I'll leave the radio on while I sleep !
VK1JA Satellites & Balloons 18 3,712 29-06-2018, 08:35 AM
    Thread: Moon Orbiter
Post: RE: Moon Orbiter

https://amsat-uk.org/2018/05/19/dslwp-satellites-lunar-orbit/ has some details, but there's no mention of JT modes, only GMSK. 'Satellite A will transmit 500 baud GMSK with 1/4 turbo code on 435.42...
VK1JA Satellites & Balloons 18 3,712 25-06-2018, 01:50 PM
    Thread: Moon Orbiter
Post: RE: Moon Orbiter

I'm willing to give this a try, not sure how I'd go, but I'll give it a go. Me being slack, is there a site that has frequency, mode used etc? I'm guessing we point at the moon? ;)
VK1JA Satellites & Balloons 18 3,712 25-06-2018, 12:17 PM
    Thread: Yaesu G5500 Controller Replacement
Post: RE: Yaesu G5500 Controller Replacement

Thanks for the replies, Leigh and Doug. Hmm, that's one thing that totally slipped my mind, that the noise could be coming from the COM port.  I've got a handful of ferrites here so when I have tim...
VK1JA Ancillary, Test Equipment, Components & Parts 3 2,372 03-06-2018, 09:11 PM
    Thread: Yaesu G5500 Controller Replacement
Post: Yaesu G5500 Controller Replacement

Morning all, After a recent re-shuffling of the radio bench I've noticed that the Yaesu G5500 rotator controller causes interference on 2m when the controller is close to the radio/coax cables - ab...
VK1JA Ancillary, Test Equipment, Components & Parts 3 2,372 31-05-2018, 08:42 AM
    Thread: Remote antenna change
Post: RE: Remote antenna change

I think it would be a good way of doing it, retaining 80m and gaining 160m :) If anyone else as a spare RM80S, I'll be interested too.
VK1JA Towers, Masts & Transmission Lines, Antennas 9 3,616 21-03-2018, 06:25 PM
    Thread: Remote antenna change
Post: RE: Remote antenna change

Hi Wayne, I'm keen to try this on my 6BTV too ! Have you thought about mounting an extra 80m coil (RM80S) up the top of the 6BTV? One is kept for use on 80m (with the stainless whip still attac...
VK1JA Towers, Masts & Transmission Lines, Antennas 9 3,616 21-03-2018, 07:32 AM