2m PSK31

Discussion in 'Working Different Modes' started by KJ4PKO, Oct 27, 2010.

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  1. KJ4PKO

    KJ4PKO Ham Member QRZ Page

    Hi, I have been doing some 2m SSB voice and have been loving it. I was wondering if any one would want to have a 2m SSB PSK31 QSO. I am in EM65; I am thinking that I should be able to get 200 mi. fairly easy. If interested please let be know, I think it would be very fun.

    73, Samuel KJ4PKO

    P.S. Is there an agreed upon calling frequency.
  2. KB9UMT

    KB9UMT Ham Member QRZ Page

    2m PSK31....144.150

    Hi Samuel KJ4PKO,

    It is tough finding others for 2 Meter BPSK31 QSO's or to give it a try. It appears many of the ops today are just not interested in VHF/UHF weaksignal work or experimenting but maybe more will get involved (most our areas FM simplex/repeater traffic way down from years ago...even less 2m SSB....and almost no digital unless it is WSJT MS/Tropo modes-which work well so give them a try!).

    Back 2002/2003 we had a large number (over 100) of ops give it a go on BPSK31 and other digital modes (MFSK,HELL,SSTV etc) on 2 meters (6 meters and 430 also so vhf/uhf) but after about a year the activity could not hold up it's own but back then the PSK31 mark was made on 50.290 and 144.150...6m is still that and active but 2 meters not so active and not sure what others might use.

    I would suggest a couple of things if no one replies here to you. Looking within a 200 to 300 miles radius a good suggestion on your part and many with small yagi's could cover that many nights or with band enhanced propagation. You might think about having other software or multimode software ready because if there is multipath which happens a lot your BPSK31 trace will not be decoded well and that has been proven many times...be ready to switch to HELL, MFSK, CONTESTIA-OLIVIA etc. For sure give WSJT modes a look at and try some long distance tropo and MS (Meteor Scatter) with this great program/software...it works well and there are many more ops using WSJT.

    Recently we have tried to get some interest back in what you have suggested but we will try Sundays in the month of November and maybe December to see if we have enough to participate but not sure we will have any....we do have a few ops thus far wanting to try just like you.

    You can go here to join in the PSK VHF/UHF Yahoo Group that includes PSK and other digital modes on VHF/UHF..go here:


    Here is our reminder sent to our members for Sundays for VHF/UHF Digital:


    Title: Sunday Night VHF/UHF Digital QSO Board 0100 to 0300 UTC
    Date: Sundays (Nov/Dec)
    Time: 0100 to 0300 UTC

    Location: http://functionalfuture.com/kd4fnb/qsoboard.pl http://functionalfuture.com/kd4fnb/qsoboard.pl
    Notes: Let's give it a go and get on the 6m and 2m bands (70cm if we have enough intersted) this Sunday 10/24/10 0100 to 0300 UTC - Log into the KD4FNB VHF/UHF Digital QSO Board and have your multimode digital software ready...hope some of us can make it and maybe we can continue this into November to see what happens...thanks
    Don kb9umt

    Have multimode software ready.....




    Those stations with distance of 400 to 1000 miles apart try WSJT modes:


    You can also see the map below and calls/ops thus far interested in this in the Central Region.

    At the very bottom was our old 'non-official' VHF/UHF Digital Band Plan.

    Thanks and GL
    de kb9umt Don
    Moderator PSK VHF/UHF
    also those into HF digital don't over look the best digital HF band...30 Meters!



    DIGITAL BAND(guide..not official) PLAN FOR VHF/UHF
    This is NOT an official band plan but a guide for most "normal" digital activity and areas will vary in different places so please use common courtesy and if you are unsure ask local operators and or listen.....but never run digital on the SSB/CW calling frequencies or the EME subbands

    6 Meters CW/SSB/Digital50.060-50.080 CW Beacons (unattended sub-band)
    see: <http://www.keele.ac.uk/depts/por/50.htm>
    50.080-50.100 CW QSO's
    50.100-50.125 DX Window
    50.110 DX Calling Frequency
    50.125 North American SSB Calling Frequency
    50.133-50.430 Voice Nets see: <http://6mt.com/nets.htm>
    50.255 FSK441 lower practical limit for most QSO's
    50.260 FSK441 Calling Frequency
    50.285 FSK441 upper practical limit for most QSO's
    50.290 SSB PSK31
    50.291 BEACONet^31 (with +1500hz PSK audio)
    50.300 or 50.700 RTTY?
    6 Meters
    50.680 SSTV

    2 Meters CW/SSB/Digital144.00-144.05 EME (CW)
    144.05-144.06 Propagation beacons (old band plan)
    144.06-144.10 General CW and weak signals
    144.10-144.20 EME and weak-signal SSB
    144.140 WSJT FSK441/JT44 calling frequency
    144.110 to 144.160 WSJT FSK441 or JT44 (around this area)
    144.131 BEACONet^31 (with +1500hz PSK audio)
    144.150 SSB PSK/HELL/MFSK16/SSTV
    144.200 National SSB calling frequency
    144.20-144.30 General SSB operation, upper sideband
    144.275-144.300 New beacon band
    2 Meters FM Digital modes
    145.500 SSTV (National SSTV Simplex FM Frequency)
    145.550 FM PSK31, Hellschreiber

    70 Centimeters CW/SSB/Digital420.00-426.00 ATV repeater or simplex with 421.25 MHz video carrier control links and experimental
    426.00-432.00 ATV simplex with 427.250 MHz video carrier frequency
    432.00-432.07 EME (Earth-Moon-Earth)
    432.07-432.08 Propagation beacons (old band plan)
    432.08-432.10 Weak-signal CW
    432.100 70 cm calling frequency
    432.11-432.20 WSJT JT44/FSK441 ?
    432.150 SSB PSK
    432.10-433.00 Mixed-mode and weak-signal work
    432.30-432.40 New beacon band
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