[OZAPRS] Fw: 40M APRS frequencies

[Scott Evans]

Yes I have S9 noise here too but I'm using a vertical so noisy bands kinda
comes with the territory! 😉

On Mon., 4 Dec. 2017, 09:50 Gavin Rogers, <grogers at vk6hgr.echidna.id.au>
wrote:

> I'd say mine. I'm using the incredibly technical interface of using an
> audio cable from the headphone jack to the sound card :)
>
> The antenna is a long wire, although resonant on 40m, I suffer from S7-9
> noise on all bands at all times (suburban areas, woo hoo!) , hence my
> limited HF experience.
>
>
>
> On 4 December 2017 6:41:11 am AWST, Scott Evans <vk7hse at gmail.com> wrote:
>>
>> Hi Gavin,
>>
>> Curious, but the mention of the audio level being too high, is that
>> saying that mine is or yours? 🤔
>>
>> On Mon., 4 Dec. 2017, 09:25 Gavin Rogers, <grogers at vk6hgr.echidna.id.au>
>> wrote:
>>
>>> Captured a handful of frames last night here in Perth on 40m. I guess it
>>> works! Also is my first 40m digital RX, so that's nice :)
>>>
>>> VK7HSE-4 audio level = 139(11/14)   [NONE]   __||___
>>> Audio input level is too high.  Reduce so most stations are around 50.
>>> [0.2] VK7HSE-4>APRX29,WIDE2-1:!4259.56SI14718.64E#RasPi iGate & Digi
>>> Position, OVERLAY DIGI (green star) w/overlay I, >40 APRSmax
>>> S 42 59.5600, E 147 18.6400
>>> RasPi iGate & Digi
>>>
>>> VK7HSE-4 audio level = 158(11/19)   [SINGLE]   __::___
>>> Audio input level is too high.  Reduce so most stations are around 50.
>>> [0.2] VK7HSE-4>APRX29,WIDE2-1:!4259.56SI14718.64E#RasPi iGate & Digi
>>> Position, OVERLAY DIGI (green star) w/overlay I, >40 APRSmax
>>> S 42 59.5600, E 147 18.6400
>>> RasPi iGate & Digi
>>>
>>>
>>>
>>> 73
>>> Gavin
>>> VK6HGR
>>>
>>> On 3/12/2017 4:00 PM, Gavin Rogers wrote:
>>> > On 3/12/2017 3:56 PM, Josh wrote:
>>> >> Thanks Gerard.
>>> >>
>>> >> I had a minor issue with direwolf using the wrong tones earlier, it
>>> >> appears that
>>> >> the config line "MODEM 300" will cause 1600 & 1800 tones to be used
>>> but
>>> >> "MODEM 300 # [comment]" causes 1200 & 1800 Hz tones.
>>> > Try using
>>> > MODEM 300 7 at 30
>>> >
>>> > This will set up a number of modem frequency groups that'll help with
>>> > (mis)tuning:
>>> >
>>> > Channel 0: 300 baud, AFSK 1600 & 1800 Hz, D, 48000 sample rate
>>> >         0.0: D 1510 & 1710
>>> >         0.1: D 1540 & 1740
>>> >         0.2: D 1570 & 1770
>>> >         0.3: D 1600 & 1800
>>> >         0.4: D 1630 & 1830
>>> >         0.5: D 1660 & 1860
>>> >         0.6: D 1690 & 1890
>>> >
>>> > Fairly unlikely I'll get anything here on Perth on 40m on packet with
>>> > my antenna but I'm curious on the performance of Direwolf on HF so
>>> > I'll have my station listening for a few days.
>>> >
>>> > 73
>>> > Gavin
>>> > VK6HGR
>>> >
>>>
>>> --
>>>
>>>        Gavin Rogers                     |  Amateur radio station VK6HGR
>>>      http://www.livingwaters.com/good   |     http://vk6hgr.ampr.org/
>>>                 MSN/Skype/Email: grogers at vk6hgr.echidna.id.au
>>>
>>> _______________________________________________
>>> OZAPRS mailing list
>>> OZAPRS at aprs.net.au
>>> http://lists.aprs.net.au/mailman/listinfo/ozaprs
>>>
>>
> --
> Gavin Rogers mobile
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