HF (HIGH FREQUENCY)

Brief over view of actives on the medium and short wave bands.

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Contacts on all the H.F. (High Frequency) and M.F. (Medium Frequency) bands from 160M to 10M have been established using a simple multi-band dipole antenna that is capable of operating on all HF bands including the relatively new so-called WARC bands and to a more limited extent the 160 metre band. The antenna and radio are well capable of reception across the entire spectrum from around the 1. 8 MHz up to 30 MHz with a couple of relative dead spots due the difficulty of matching some of the extreme impedances presented at the ATU, but not near amateur bands.

The solar cycle is at low point as at January 2008, however there is still good activity on the lower HF bands of 80M and 40M. The use of PSK31 has allowed me to work the world with a modest antenna system running around thirty watts on both 20M and 40M.  

 

 

 

 

 

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Page initiated 2008

Page last revised 05 November, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 

   Space Weather

   https://www.swpc.noaa.gov/

    

   Notice Board

VK6YSF JS8Call and Olivia 8/250 operations.

Current activity is generally focused - though not restricted to - JS8Call operations on the 20m, 30m, and 40m bands.

Currently there is a particular emphasis on JS8Call on the 10 and 12 m band between 00:00 and 12:00 Z, often extending beyond this period.

Olivia 8/250 is used occasionally on the 20m band.

Proposed band and mode activity is often communicated on HamSpots: https://hamspots.net/js8/ or my profile on 

X: https://x.com/vk6ysf97230 .  

Feel free to contact me to discuss or arrange a schedule for a contact.

Post date: 7 December 2025

 

Western Australian SSTV net 

Popular Western Australian SSTV net for both digital and anolog SSTV.

Generally found at 7214.0kHz LSB every afternoon from 08:00 UTC (4:00pm WST)

For more details: https://www.wasstv.net/wasstv.net/index.html

Post date: 8 December 2025

 

VK6MJM LF (136kHz) and MF (474kHz) Beacon

VK6MJM is a  LF/MF station located in Manjimup, Western Australia.

Common Mode: FST4W 300 (Similar to WSPR)  

Note: other modes and sub-modes may be used.

Station details were presented by Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter Hall VK6HP at PerthTech

QRZ Page: VK6MJM on QRZ.com

Post date: 10 March 2025

 

 

 
 

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Amateur Radio Station VK6YSF - Promoting amateur radio communication and experimentation.