[Elecraft] US 60 Meter Band Changes Approved by FCC - CW Issues

[Eric Swartz - WA6HHQ, Elecraft]

Folks - This thread was closed earlier today. Its well over the max 
posting limit,

Please take further correspondence off list.

73, Eric  WA6HHQ
List moderator

---
www.elecraft.com


On 11/21/2011 11:27 AM, Phil Kane wrote:
> On 11/20/2011 8:45 PM, Don Wilhelm wrote:
>
>> down by 1.4 kHz.  NOW, I can't resolve why everyone uses a downward
>> shift of 1.5 kHz instead of a shift of 1.4 kHz - perhaps someone can
>> explain that difference to me.  I see nothing in the FCC documents that
>> provides for a 100 Hz guard band which would increase the effective
>> channel width to 3.0 kHz and thus yield a suppressed carrier shift of
>> 1.5 kHz from the channel center.  Mysteries, mysteries, mysteries - but
>> that is the way we are told to do it, and the FCC has not complained so
>> far - maybe just "let sleeping dogs lie" is the best recourse.
>    Enter stage left, the U S Coast Guard whose GMDSS (Marine
>    safety) SITOR (commercial version of AMTOR) transmissions say:
>
>    NMC GMDSS SITOR FEC BROADCAST
>
>    FREQUENCIES: 8416.5 KHZ
>                16806.5 KHZ
>
>    TIMES: 0015 AND 1735 UTC
>
>    NOTE: CARRIER OR DIAL FREQUENCY IS LOCATED 1700 HZ BELOW THE
>    ASSIGNED FREQUENCY (-1.7 KHZ).
>
>    On my (some say ancient) ICOM R-7000 HF receiver in FSK mode,
>    I set the dial 800 Hz below the assigned frequency.  On my
>    TenTec RX 320D SDR HF receiver in LSB mode, I set the dial 2.19
>    kHz above the assigned frequency.
>
>    Mysteries indeed.
>
>    My K2 doesn't tune those frequencies so I can't comment on
>    that, but I do like the idea of setting the first five memory
>    channels for USB/data/RTTY mode in VFO A and for CW mode in
>    VFO-B.  Cheap and easy solution.
>
> --  73 de K2ASP - Phil Kane
>      Elecraft K2/100   s/n 5402
>
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