Re: W7PFB-10 Winlink RMS changes


Rowland
 

I just ordered the 36.  Am I good with that choice?



Thanks,

Rowland



On Tue, Sep 15, 2020 at 10:25 PM Shawn / K7ATA <shawn@...> wrote:
the nice part is that the DRA-50 is NOT radio specific, and at some
point you may have additional radios that are compatible with wide mode.

--Shawn
--K7ATA

On 9/15/2020 7:25 PM, Howard E. Mahran / WA1HEM wrote:
> Well that’s too bad - I guess I jumped the gun on the DRA-50  ☹
>
> Thanks for investigating...
>
> -----Original Message-----
> From: snovarc@snovarc.groups.io <snovarc@snovarc.groups.io> On Behalf Of Shawn / K7ATA
> Sent: Tuesday, September 15, 2020 3:40 PM
> To: snovarc@snovarc.groups.io
> Subject: Re: [SnoVARC] W7PFB-10 Winlink RMS changes
>
> so I did some research on this, and the data port on the ic9700 is connected pre-discriminator, as is the internal soundcard interface.
> Unfortunately, nobody has documented a modification to change that.
>
> --Shawn
> --K7ATA
>
> On 9/13/2020 3:53 PM, Paul Butzi (W7PFB) wrote:
>> Yes.
>>
>> -p W7PFB
>> 73, Don’t forget to smile and have fun!
>>
>>> On Sep 13, 2020, at 3:51 PM, Paul Zoba <pezoba@...
>>> <mailto:pezoba@...>> wrote:
>>>
>>> Paul, are you referring to the internal sound card in the 9700?
>>>
>>>
>>> On Sep 13, 2020, at 3:45 PM, Paul Butzi (W7PFB) <w7pfb@...
>>> <mailto:w7pfb@...>> wrote:
>>>
>>>  Yeah, there’s something going wrong with the wide mode.  I suspect
>>> that it gets huge error rates in wide mode, which cuts the thruput
>>> way back.
>>>
>>> Doing some research it seems the bandwidth of the internal soundcard
>>> is limited to 2.5khz, not enough for wide mode.  So I expect that’s
>>> what is going on.
>>>
>>> Even worse, apparently the 6 pin mini-din connector does not give you
>>> the access points in the audio chain that you need to do wide mode
>>> either.  So you can’t even use an external sound card to do it.
>>>   (although I think some experimenting is in order to verify that).
>>>
>>>
>>> -p W7PFB
>>> 73, Don’t forget to smile and have fun!
>>>
>>>> On Sep 13, 2020, at 3:40 PM, Howard E. Mahran / WA1HEM
>>>> <wa1hem@... <mailto:wa1hem@...>> wrote:
>>>>
>>>> Just attempted 2 tests using 2 separate larger file types:
>>>>
>>>> 1) Image attached to an email
>>>> 2) Large Text Email
>>>>
>>>> The first email with the image file attached was rejected in both
>>>> Narrow and Wide mode. Maybe it was too big to send or the RMS
>>>> station has a maximum file size that I exceeded The second email
>>>> test was with a multipage text-based email.
>>>>
>>>> Results are even more dramatic versus the first tests that you and I
>>>> ran. Narrow was *over FIVE times* as  fast as Wide:
>>>>
>>>> NARROW:
>>>> *** Completed send of message KUZD9IEXAAX3
>>>> *** Sent 1 message. *Bytes: 8357,  Time: 00:19,  bytes/minute:
>>>> 2628*6
>>>>     FQ
>>>> *** Disconnected from Winlink RMS: W7PFB-10 @ 2020/09/13 22:26:03
>>>> *** Session: *0.6 min*; Avg Throughput: 14998 Bytes/min;   1 Min
>>>> Peak Throughput: 14998 Bytes/min
>>>>
>>>> WIDE MODE:
>>>> *** Completed send of message PIIWPT10E4ES
>>>> *** Sent 1 message. *Bytes: 8343,  Time: 01:30,  bytes/minute: 5503*
>>>>     FQ
>>>> *** Disconnected from Winlink RMS: W7PFB-10 @ 2020/09/13 22:31:45
>>>> *** Session: *1.7 min*; Avg Throughput: 4814 Bytes/min;   1 Min Peak
>>>> Throughput: 4814 Bytes/min
>>>>
>>>>
>>>>
>>>> --
>>>> *************************
>>>> Howard E. Mahran
>>>> WA1HEM
>>>> (425) 864 - 5104
>>>> *************************
>>
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