80 meter capability

[Mike O'Dell]

hmmm - the interesting question is what do the emission symbols mean?
the imply both modulation technique but they also imply a payload type
and even a payload encoding in some cases.  i thought part 97 used
the emission codes to distinguish different types of operation.

the suggestion that operations be distinguished by actual payload type
rather than payload encoding is at least reasonably clear. that does
mean, however, that PSK31 goes in the RTTY area since it is "text"
while the same type of modulation goes in the voice area when carrying
DV.

the implication is that i think someone (the League) should make a statement
about this approach lest people get into shouting matches over "get that
digital signal down into the digital ghetto with the other digital signals
so we can do our sideband net!"

i'm not trying to be pedantic - far from it - i'm trying to head it off 
at the passband,
so to speak.

     -mo





On 1/28/13 7:03 AM, Paul L Rinaldo wrote:
> Alex,
>
> Phone is phone whether analog or digital in the Part 97 rules. DV 
> operates in the phone band.
>
> Paul
>
> At 07:22 PM 1/27/2013, Alex Fraser wrote:
>>     I added 80 meter capability to my station today. I want to check 
>> in to the Vienna Wireless Digital Net on Tuesday which is on 3577 so 
>> I set up the vertical for the low part of the band.  It only can 
>> cover about 30 KHz of bandwidth for each setting.  This bring up the 
>> old problem on 75/80.  It used to be CW or Phone.  Now is the choice 
>> Digital or freeDV?  I put that as a question as I don't know if we 
>> should treat DV as phone or as digital when we look at the band plan.
>>
>> -- 
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