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Post Author Forum Replies Views Posted [asc]
    Thread: the way the USA has corrupted English
Post: RE: the way the USA has corrupted English

Is AUS just badly pronounced OZ? https://www.youtube.com/watch?v=TUL29y0vJ8Q
OZ2M Off Topic! 9 5,500 07-04-2024, 05:08 PM
    Thread: the way the USA has corrupted English
Post: RE: the way the USA has corrupted English

A Plan for the Improvement of English Spelling by Mark Twain For example, in Year 1 that useless letter "c" would be dropped to be replased either by "k" or "s", and likewise "x" would no longer be...
OZ2M Off Topic! 9 5,500 16-03-2024, 04:54 PM
    Thread: Esperance Beacons Required 2m 6m
Post: RE: Esperance Beacons Required 2m 6m

Interesting perspective. The location must be a trade off between distance and avoiding obstructions like Cape Arid I guess? How about Israelite Bay Telegraph Station, or nearby, or is it impossible d...
OZ2M AIS, Beacons, FM & TV DX 4 14,319 05-06-2023, 12:54 AM
    Thread: WSJT-X and JTDX 'improved'
Post: RE: WSJT-X and JTDX 'improved'

If you haven't heard of MSHV it is another alternative: http://lz2hv.org/mshv Bo www.rudius.net/oz2m :: www.rfzero.net
OZ2M Digital Modes 3 5,039 27-06-2022, 04:18 PM
    Thread: VK6RTN New Geraldton 6M Beacon
Post: RE: VK6RTN New Geraldton 6M Beacon

Thanks Nigel. I also have seen it reported several times lately, but it didn't show up on the map. So I have now added it to the ON4KST chat database. Bo www.rudius.net/oz2m :: www.rfzero.net
OZ2M AIS, Beacons, FM & TV DX 6 7,804 06-05-2022, 03:09 PM
    Thread: VK6RTN New Geraldton 6M Beacon
Post: RE: VK6RTN New Geraldton 6M Beacon

What is the locator of the beacon today? Bo www.rudius.net/oz2m :: www.rfzero.net
OZ2M AIS, Beacons, FM & TV DX 6 7,804 05-05-2022, 06:05 PM
    Thread: Amazing Technology Developments
Post: RE: Amazing Technology Developments

I am very impressed by this one too: https://www.ebay.com/itm/233852257935?hash=item3672ae468f:g:7xwAAOSwrZBh73NA 5 V, 2 kAh and just 280 g -> 36 kWh/kg. This is one hell of energy density. In this...
OZ2M General Discussion 9 3,740 11-04-2022, 04:38 PM
    Thread: FT8 and Q65 to JA during TEP on 2m
Post: RE: FT8 and Q65 to JA during TEP on 2m

Hello Roger Thanks for the description of the south aurora use. Good to know. PI4 is definitely robust to TEP distortion. So yes, a relevant number PI4 + CW + carrier beacons will be a good oppo...
OZ2M 144MHz & 432MHz 27 8,533 16-02-2022, 05:25 PM
    Thread: FT8 and Q65 to JA during TEP on 2m
Post: RE: FT8 and Q65 to JA during TEP on 2m

Interesting to read about the use of southern aurora. I thought you guys were living to north to use this type propagation. I simply love aurora since my early days of amateur radio. OK, things are...
OZ2M 144MHz & 432MHz 27 8,533 15-02-2022, 08:00 PM
    Thread: 144 MHz WSPR SUPER PATH WATCH
Post: RE: 144 MHz WSPR SUPER PATH WATCH

In addition to the Pacific paths there could also be the Indian Ocean: https://ei7gl.blogspot.com/2021/09/video-south-african-144-mhz-next.html Bo www.rudius.net/oz2m :: www.rfzero.net
OZ2M Digital Modes 5 2,033 13-12-2021, 07:20 PM
    Thread: 144 MHz WSPR SUPER PATH WATCH
Post: RE: 144 MHz WSPR SUPER PATH WATCH

It would some nice path to log for sure. However, I have my reservations when the path traverses the Great Dividing Range https://www.nationsonline.org/maps/australia-topographic-map.jpg As far...
OZ2M Digital Modes 5 2,033 13-12-2021, 12:04 AM
    Thread: VKSpotter Update 2.0.5 coming Tuesday evening
Post: RE: VKSpotter Update 2.0.5 coming Tuesday evening

Good job. But isn't there eight corners of the world https://d2gg9evh47fn9z.cloudfront.net/800px_COLOURBOX2384893.jpg ?
OZ2M General Discussion 1 1,694 06-12-2021, 09:42 PM
    Thread: Ham Radio Station Map?
Post: RE: Ham Radio Station Map?

Looks good Doug. The PoCo gives some privacy too like locators do. I guess you can have rather large areas covered by one PoCo unlike here in real OZ where the largest area is 462 km2 and smallest is ...
OZ2M General Discussion 19 15,705 23-04-2021, 04:04 PM
    Thread: Ham Radio Station Map?
Post: RE: Ham Radio Station Map?

Some 15 years I made a file that could be loaded into Google Earth as it was called then. It used the users' locators from the ON4KST chats: https://rudius.net/oz2m/googleearth.htm Perhaps you can...
OZ2M General Discussion 19 15,705 22-04-2021, 09:21 PM
    Thread: WSPR hash collision checker
Post: WSPR hash collision checker

I have just added a WSPR hash collision checker tool here: https://www.rfzero.net/documentation/tools/wspr-hash-collision/ It is relevant if you experience stations claiming to have decoded you when y...
OZ2M Digital Modes 0 1,837 18-02-2021, 01:15 AM
    Thread: Plug and play 6 m PA
Post: Plug and play 6 m PA

If you are short of power for your 6 m beacon then Sergey, EX8MLE, has the solution if you are looking a PA in the 25 W range: https://www.rfzero.net/documentation/third-party-solutions/50-mhz-25-w-...
OZ2M AIS, Beacons, FM & TV DX 0 1,432 05-12-2020, 09:28 PM
    Thread: Meteor Scatter Software
Post: RE: Meteor Scatter Software

Hello Leigh MSHV http://lz2hv.org/mshv can be used for MS. Bo
OZ2M Meteor Scatter (MS) 5 2,345 17-08-2020, 02:56 PM
    Thread: Shielded Ethernet cable?
Post: RE: Shielded Ethernet cable?

Hi You can buy STP, shielded twisted pair, cable. But as far as I know an RF proof installation is very difficult to make. I suggest to find a certified installer, at least for consulting, and not ...
OZ2M EMC, Interference 9 2,762 13-06-2020, 06:53 PM
    Thread: What digital mode is this ??
Post: RE: What digital mode is this ??

It looks FT8'ty. There seem to be two sync frames. One at the beginning and one at the end.  I cannot see if there is anything in the middle. If you hear it again you may try to log it using Spectr...
OZ2M Digital Modes 6 3,095 01-05-2020, 04:54 PM
    Thread: What digital mode is this ??
Post: RE: What digital mode is this ??

Maybe but in the picture the tone spacing looks like using K = 2 and the bandwidth is 150 Hz. The one from Doug looks like K = 1. It could also be the n'th harmonic of a signal. Unfortunately, I do...
OZ2M Digital Modes 6 3,095 30-04-2020, 09:06 PM
    Thread: What digital mode is this ??
Post: RE: What digital mode is this ??

From the picture it looks like FSK with eight tones. https://www.sigidwiki.com/wiki/Category:Amateur_Radio Perhaps some sort of MFSK-8 or a faster FT8/JT8 variant being tested.
OZ2M Digital Modes 6 3,095 30-04-2020, 07:44 PM
    Thread: FT8CALL: its FT8 but with chat
Post: RE: FT8CALL: its FT8 but with chat

The name was changed 2018-10-04 from FT8Call to JS8Call. Ol' habits die hard.
OZ2M Digital Modes 4 2,971 27-12-2019, 05:29 AM
    Thread: Aussie callsign options...?
Post: RE: Aussie callsign options...?

Many people find a lot of identity in their call sign. So being able to keep it forever may make a lot of sense. OK, personally I am not the best example, changed to OZ2M 1 Jan. 2000, but still. In...
OZ2M Regulatory, Licencing & Exams 6 3,031 26-10-2019, 01:57 AM
    Thread: Transatlantic QSO on 2m FT8
Post: RE: Transatlantic QSO on 2m FT8

Hi "WSPR is also at least 10-12 dB more sensitive than FT8 ..." Well, this depends on the actual propagation. WSPR is good across smooth paths, but terrible when traveling across distorted paths. If ...
OZ2M 144MHz & 432MHz 15 4,722 26-06-2019, 07:26 AM
    Thread: Transatlantic QSO on 2m FT8
Post: RE: Transatlantic QSO on 2m FT8

Hi At the recent Nordic VUSHF Meeting Stefan, LA0BY, made a presentation about extreme tropo propagation: http://www.la0by.darc.de/190615_LA0BY_Tropo%20extreme.pdf that is worthwhile reading. Ev...
OZ2M 144MHz & 432MHz 15 4,722 19-06-2019, 04:56 PM