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     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

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DIGITAL MODES

Overview of common digital modes.

HOME  > OPERATIONAL > MODES & FREQUENCIES >

 

Overview of common digital modes

 

Dital Mode

Suit F2 Layer

Suit Sporadic 'E'

Suit Tropospheric (Tropo)

Suit for NVIS

Suit Weak Signals

Suitability for Interference

Signal/Noise Threshold (dB)

Full

conversational

Olivia

Yes

Yes

Limited

Yes

Excellent

Excellent

0 to 10 dB

Yes

PSK31

Yes

Yes

Limited

Yes

Fair

Good

5 to 15 dB

Yes

PSK63

Yes

Yes

Limited

Yes

Good

Good

0 to 10 dB

Yes

MFSK

Yes

Yes

Limited

Yes

Good

Good

0 to 10 dB

Yes

DominoEX

Yes

Yes

Limited

Yes

Good

Good

0 to 10 dB

Yes

Thor

Yes

Yes

Limited

Yes

Good

Good

0 to 10 dB

Yes

RTTY

Yes

Yes

Limited

Limited

Fair

Good

0 to 15 dB

Yes

CW (Morse Code)

Yes

Limited

Limited

Yes

Excellent

Excellent

0 to 15 dB

Yes

FT8

Yes

Yes

Limited

Limited

Excellent

Excellent

-10 to 5 dB

Limited

JT65

Yes

Yes

Limited

Limited

Excellent

Excellent

-10 to 5 dB

Limited

SSTV

Yes

Yes

Limited

Yes

Fair

Limited

0 to 10 dB

Limited

JT9

Yes

Yes

Limited

Yes

Excellent

Excellent

-10 to 5 dB

Limited

ROS

Yes

Yes

Limited

Yes

Good

Good

0 to 10 dB

Limited

Hell

Limited

Limited

Yes

Limited

Good

Limited

0 to 10 dB

Limited

 

For more information on the Olivia. See: http://en.wikipedia.org/wiki/Olivia_MFSK

 

 

WSPR

WSQ

JT65

FT8

Olivia

FSQ 3B

FSQ 6B

Hell

PSK31

CW

RTTY

SSB

10

10

10

10

10

10

10

10

10

10

10

10

9

9

9

9

9

9

9

9

9

9

9

9

8

8

8

8

8

8

8

8

8

8

8

8

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7

7

7

7

7

7

7

7

7

7

7

6

6

6

6

6

6

6

6

6

6

6

6

5

5

5

5

5

5

5

5

5

5

5

5

4

4

4

4

4

4

4

4

4

4

4

4

3

3

3

3

3

3

3

3

3

3

3

3

2

2

2

2

2

2

2

2

2

2

2

2

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-3

-3

-3

-3

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-3

-3

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-3

-3

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-3

-4

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-5

-5

-5

-5

-5

-5

-5

-6

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-6

-6

-6

-6

-6

-6

-6

-6

-7

-7

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-7

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-7

-7

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-7

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TOP OF PAGE

Page last revised 20 May, 2024 

 
 

   Space Weather

   https://www.swpc.noaa.gov/

    

Nikola Tesla, born on 10 July 1856, was one of 

history's most influential inventors.

   Notice Board

VK6YSF JS8Call and Olivia 8/250 operations.

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

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 .  

Post date: 5 July 2026

 

Local Repeaters

The Local Repeaters page has been updated with expanded and refreshed information on VHF and UHF repeaters across Western Australia's Central Coast, Perth, the Avon Valley, and the Peel region.

See: https://vk6ysf.com/local_repeaters.htm 

Post date: 5 July 2026

 

MARMOTSat

An exciting upcoming amateur radio CubeSat

Proposed launch date: 7 July 2026

Expected payload includes:

145.875 MHz – AX.25 packet digipeater
436.125 MHz – Telemetry & command (digital)
29.410 MHz – CW telemetry beacon, DVB-S2 experiments.

https://marmotsat.ca
https://www.propagationlab.ca/satellite/

Post date: 5 July 2026

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.