[MRCA] 60 meter primary frequency change?
JJ
jhjesse at verizon.net
Sun Nov 20 18:16:37 EST 2011
Right. But I was thinking that the ARRL or someone else would implement
a "Gentleman's Agreement" by suggesting one channel for data/CW.
Otherwise it will be mayhem with digital sigs swamping all 5 channels.
Jon WS1K
On 11/20/2011 4:45 PM, Mike Morrow wrote:
> Jon asked:
>
>> But the questions that remain are, is one channel going to be assigned
>> as a data channel and if so which one? And then, who gets to determine
>> this? Will current band users have any input?
> Here are the applicable excerpts from the new rules, which may be read at
>
> http://transition.fcc.gov/Daily_Releases/Daily_Business/2011/db1118/FCC-11-171A1.pdf
>
> --- START QUOTE ---
> Section 97.303 (h)
> 60 m band: (1) In the 5330.5-5406.4 kHz band (60 m band), amateur stations
> may transmit only on the five center frequencies specified in the table below.
> In order to meet this requirement, control operators of stations transmitting
> phone, data, and RTTY emissions (emission designators 2K80J3E, 2K80J2D, and
> 60H0J2B, respectively) may set the carrier frequency 1.5 kHz below the center
> frequency as specified in the table below. For CW emissions (emission designator
> 150HA1A), the carrier frequency is set to the center frequency. Amateur operators
> shall ensure that their emissions do not occupy more than 2.8 kHz centered on
> each of these center frequencies.
>
> 60M BAND FREQUENCIES (KHZ)
> Carrier Center
> 5330.5 5332.0
> 5346.5 5348.0
> 5357.0 5358.5
> 5371.5 5373.0
> 5403.5 5405.0
>
> Section 97.307 (f)
> (14) In the 60 m band:
> (i) A station may transmit only phone, RTTY, data, and CW emissions using
> the emission designators and any additional restrictions that are specified
> in the table below (except that the use of a narrower necessary bandwidth
> is permitted):
>
> 60M BAND EMISSION REQUIREMENTS
> Emission type Emission designator Restricted to:
> Phone 2K80J3E Upper sideband transmissions (USB)
> Data 2K80J2D USB (for example, PACTOR-III)
> RTTY 60H0J2B USB (for example, PSK31)
> CW 150HA1A Morse telegraphy by means of on-off keying
> --- END QUOTE ---
>
> So...any of the five 60m frequencies may be used for USB phone, USB Data, or
> USB RTTY, all sent on a carrier frequency 1.5 kHz below the center frequency,
> or for CW, sent on the center frequency.
>
> No channel is reserved for any particular one of the authorized modes, nor is
> there any implication anywhere that would ever happen.
>
> The effective date is 30 days AFTER PUBLICATION IN THE FEDERAL REGISTER (which
> has not yet happened), **NOT** 30 days after November 18! Don't hop on these
> changes BEFORE they take effect.
>
> Mike / KK5F
>
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