[Elecraft] Fw: FCC 60m Band Change Rules PublishedInFederalRegister On 03 February 2012 - Correction

[Jim Miller KG0KP]

Sorry, I should have stated the CW signal you are receiving should be 
exactly ON the CENTER frequency of that channel as would be your transmitted 
signal.

73, de Jim KG0KP

----- Original Message ----- 
From: "Jim Miller KG0KP" <JimMiller at STL-OnLine.Net>
To: <k6dgw at foothill.net>; <elecraft at mailman.qth.net>
Sent: Saturday, February 04, 2012 1:41 PM
Subject: Re: [Elecraft] FCC 60m Band Change Rules PublishedInFederalRegister 
On 03 February 2012 - Correction


> Fred,
>
> I am glad you stated the "their RTTY" =  "our PSK" as I had realized that 
> it
> wasn't RTTY as we know it but did not know it was PSK which I had assumed
> was allowed but with the question of one signal vs. many.
>
> I have the same questions and understandings, but...  One item you didn't
> explicitly state is the "dial frequency" for CW operation.  Let me make a
> statement and see if I understand the CW usage settings.
>
> For those NOT using a PC and digital display program, the dial would be 
> set
> to the exact "zero beat frequency" of the station you ware responding to.
>
> Does the digital operator using a waterfall in CW mode (using HRD for
> example) set the received signal for 600 Hz (if that is what they have set
> in the radio for tone frequency) below (if in USB) in order to display the
> received signal at the "plus 600" marker on the waterfall so they will
> transmit on his same frequency?
>
> Thanks es 73, de Jim KG0KP
>
> ----- Original Message ----- 
> From: "Fred Jensen" <k6dgw at foothill.net>
> To: <elecraft at mailman.qth.net>
> Sent: Saturday, February 04, 2012 12:48 PM
> Subject: Re: [Elecraft] FCC 60m Band Change Rules Published
> InFederalRegister On 03 February 2012 - Correction
>
>
>>I think we all need to be careful.  In the case of USB, we put our
>> "suppressed carrier" [i.e. dial reading on a K3] 1.5 KHz below the
>> authorized center frequency.  The USB energy is above that and fills the
>> 2.8 MHz channel, and it's "one QSO per channel."
>>
>> For CW, we are told to put our keyed RF signal *on* the channel center
>> frequency.  There is only one "center frequency" per channel, so again,
>> it's "one QSO per channel."  CW and USB seem pretty clear.
>>
>> The two data modes aren't quite as clear.  "Data", as the FCC uses it is
>> a 2K80J2D emission which wiki.radioreference.com defines as "HF
>> PACTOR-III."  Again, the emission fills the channel and it's "one QSO
>> per channel."  The FCC's "RTTY" is a 60H0J2B emission which
>> radioreference.com defines as PSK31, which precludes what we hams define
>> as RTTY [45.5 baud 170 Hz shift FSK].
>>
>> What's not clear is where to place your PSK31 signal.  If your PSK31
>> signal extends upward from your dial frequency, then the R&O seems to
>> say you put your dial frequency 1.5 KHz below the channel center
>> frequency.  Where you actually transmit your PSK31 signal above that
>> doesn't appear to be specified as long as it isn't 2.8 KHz or more,
>> which is a little strange.  Given the "one QSO per channel" philosophy
>> for CW, Phone, and PACTOR-III, I would think that they would want my
>> PSK31 signal centered in the channel and it would be "one PSK31 QSO per
>> channel" like the other emissions.  It just doesn't say that explicitly.
>>
>> There are several references in the R&O to various techniques for
>> minimizing interference to Federal users, and that seems to be a driving
>> factor behind the "one QSO per channel" requirement.  If it's just me
>> and you conversing, there will be natural, frequent breaks for a primary
>> user to claim the channel.  If the 60H0J2B emission type is intended to
>> allow multiple QSO's within the channel, as happens now above 14070,
>> there will be no breaks and no way for a primary user to claim the
>> channel.
>>
>> I don't have the answer, if someone does I'd really like to hear it, but
>> do I think we all need to be careful as 5 March rolls around.
>>
>> 73,
>>
>> Fred K6DGW
>> - Northern California Contest Club
>> - CU in the 2012 Cal QSO Party 6-7 Oct 2012
>> - www.cqp.org
>>
>> On 2/3/2012 7:14 PM, Rick Bates wrote:
>>> Hi Sandy,
>>>
>>> If I read it correctly, we can use RTTY, Pactor and PSK modes (using USB
>>> if
>>> AFSK) and are limited to 2.8 KHz.  It said we were NOT limited to those
>>> modes for data as it would suppress experimentation.
>>
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>
>
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