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Contact Details
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
|
|
7
|
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
|
-3
|
-3
|
-3
|
-3
|
-3
|
-3
|
-3
|
-3
|
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
-4
|
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
-5
|
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
-6
|
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
-7
|
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
-8
|
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
-9
|
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
-10
|
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
-11
|
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
-12
|
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
-13
|
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
-14
|
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
-15
|
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
-16
|
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
-17
|
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
-18
|
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
-19
|
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
-20
|
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
-21
|
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
-22
|
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
-23
|
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
-24
|
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
-25
|
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
-26
|
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
-27
|
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
-28
|
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
-29
|
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
-30
|
TOP
OF PAGE
Page
last revised 20 May, 2024
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Space Weather
https://www.swpc.noaa.gov/
Notice Board
|
VK6YSF JS8Call,
FSQ and
Olivia 8/250 operations.
Current
activity is generally, however not restricted to operations with
JS8Call, FSQ and Olivia 8/250 on the 20m and 40m 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.
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VK6MJM LF (136 kHz) and MF (474
kHz) Beacon
VK6MJM is a LF/MF station
located in Manjimup, Western Australia.
Mode: Mode: FST4W 300 (Similar to WSPR)
Station details were presented by
Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter
Hall VK6HP at PerthTech
QRZ Page: VK6MJM
on QRZ.com
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