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HamQSO

PSK31 frequencies for every band

PSK31 activity frequencies from 160 m to 10 m. There is no official list: the table follows the RSGB, which gives USB dial settings ending in .15, and notes where other sources differ.

PSK31

Centres of activity
PSK31: Centres of activity
BandFrequencyRegionsNote
160m1.83815 MHzAll
80m3.58015 MHzAll
40m7.040 MHzRegion 1RSGB: "7040 kHz and up"; WSJT-X band-plan notes give 7040 and 7070 for Region 1
40m7.070 MHzRegion 1 and 2WSJT-X band-plan notes (Region 2: also LSB EMCOMM)
40m7.035 MHzRegion 3WSJT-X band-plan notes
30m10.14215 MHzAll
20m14.07015 MHzAll
17m18.10015 MHzAll
15m21.08015 MHzAllRSGB value; the WSJT-X notes give no 15m PSK31 frequency
12m24.92015 MHzAll
10m28.12015 MHzAll

There is no official PSK31 frequency list. The RSGB lists the .15 values as USB dial frequencies; in practice activity spreads over the 1–2 kHz above the dial. Sources disagree on 40m.

Sources: RSGB, "PSK31 – work the world with low power" (archived copy, January 2024); WSJT-X source code, models/FrequencyList.cpp (default frequency list)

PSK31 is a conversation mode: you type, the other station reads as you go, in a signal 31 Hz wide. Activity spreads over the one or two kilohertz above the dial, so set the radio there and click on a trace in the waterfall.

On 40 m the sources disagree: 7040 kHz is the Region 1 habit, 7070 is common in Regions 1 and 2, and Region 3 uses 7035. On 15 m only the RSGB gives a value. With FT8 a few kilohertz away on most bands, look on both sides of the dial before you call.

The PSK31 table has 11 entries, on 160 m, 80 m, 40 m, 30 m, 20 m, 17 m, 15 m, 12 m, and 10 m.

No entry for 60 m: the source gives none there.

3 of the entries hold only in some ITU regions, as the regions column shows.

Dial frequencies are the USB suppressed-carrier setting of the radio; the signals sit a few hundred hertz to about 3 kHz above. Band plans and national rules prevail.

What PSK31 is

Other frequency tables