Part 97 is available in HTML at:
<http://www.ecfr.gov/cgi-bin/retrieveECFR?gp=&SID=41328afaea28f9a25ef32f8fdcacd897&n=47y5.0.1.1.6&r=PART&ty=HTML>
If you want it in pdf, simply print to a pdf printer like PDF Creator.
73,
... Joe, W4TV
On 3/17/2014 7:44 PM, Fred Jensen wrote:
I think I stand corrected. When it was first discussed by ARRL, I got
the impression that any digital mode was confined to PSK-ish bandwidths.
Looking up the current FCC regs, 2K80J2D is permitted, so 45.5 baud
170 Hz shift RTTY would also be permitted. I guess 2K80J2D is Pactor-3?
Given that we have moved from "A1"=Morse Telegraphy, "A2"=Audio
Modulated Morse Telegraphy, and "A3"=AM Voice to 7, 8, and more
characters in an emission type designator, it's not surprising that it
got very complex.
Side gripe-ette: I was sorry when ecfr.gov stopped publishing the
entire Part in PDF.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org
On 3/17/2014 12:32 PM, Joe Subich, W4TV wrote:
however the FCC's bandwidth limitation on "RTTY" really means PSK31
and other narrow band digital modes, not 170 Hz 45.5 baud FSK.
Not true ... if 2K80J2D is permitted *any* J2D mode (including 45.45
baud AFSK) with a bandwidth *less than* 2800 Hz would also be permitted.
Traditional RTTY (170 H shift, 45.45 baud) can be equally
described as 370H0F1D, 370H0F1B, 370H0J2D or 370H0J2B depending on
whether it is generated as AFSK or FSK and whether the content is
generalized data or data meant for on screen display (automatic
detection).
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