Except there ISN'T a bandwidth setting of 2800 Hz available on the Orion -
you'd have to choose either 2700 or 2850 Hz.
Barry N1EU
On Sat, Jun 22, 2013 at 11:38 AM, Barry N1EU <barry.n1eu@gmail.com> wrote:
> Re-read Rick's post. The bandwidth IS 2.8KHz. The passband extends from
> 150-2950hz
>
> 73, Barry N1EU
>
>
> On Sat, Jun 22, 2013 at 7:38 AM, Rick - DJ0IP / NJ0IP <Rick@dj0ip.de>wrote:
>
>> Hold your horses Rick... !
>>
>> This is unacceptable on the 60m band where FCC regulations limit the
>> maximum
>> transmitted bandwidth to 2.8 kHz.
>> (see: http://www.arrl.org/60-meter-faq/ )
>>
>> This is unacceptable in Region 1 on all shortwave bands except 10m,
>> because
>> we are limited to 2.8 kHz on ALL shortwave bands except 10m.
>>
>> In light of the above, I find it curious that most of the really wide
>> signals on the bands are coming out of Europe.
>> However they are almost all EAST of here.
>>
>> 73
>> Rick, DJ0IP
>>
>>
>> -----Original Message-----
>> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Rick W
>> Sent: Saturday, June 22, 2013 7:28 AM
>> To: Ten-Tec Reflector
>> Subject: Re: [TenTec] ORION ll
>>
>> Minor correction. With a TX BW of 2800 and a roll off of 150 the top end
>> is
>> actually at 2950 Hz. I think that too would be quite acceptable.
>>
>> 73,
>> Rick
>> VE7TK
>>
>> Website: http://www.ve7tk.com
>>
>> To:"Bob Gibson" <w5rg@yahoo.com>, "Discussion of Ten-Tec Equipment"
>> <tentec@contesting.com>
>> Subject:Re: [TenTec] ORION ll
>> From:"Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
>>
>>
>> Date:Fri, 21 Jun 2013 23:20:41 -0500
>>
>>
>> I basically agree with James, "what's wide?". How was it determined that
>> it was wide? If the TX BW is 2800 Hz and the TX Low End Roll-off is 150
>> Hz then the transmitted bandwidth is 2650 Hz. In general that is will
>> within the technical acceptable standards for SSB bandwidth.Could it be
>> that
>> the Orion II audio along with the B-1 mike and the VX-2000 is really very
>> clean and thus "sounds" wide? Could be. Many radios on the bands today
>> along
>> with the hosts of mikes and applications being used do not have really
>> clean
>> audio. One thing I've enjoyed about Tentec radios, they have great audio,
>> both on receive and transmit.Things that make audio sound wide could be
>> excessive ALC action meaning the MIC audio level is too high and the ALC
>> is
>> very active. Another thing is a bit of RF getting into the audio that
>> causes
>> a splatter sounding audio while in actuality the transmitted bandwidth is
>> not wider than the definition of the filter system, low end and TX BW
>> settings.Do head for the manual and the adjustments for the TX Low
>> frequency
>> roll-off and the TX SSB BW values. To keep things simple, I would start
>> with
>> a mike connected direct to the MIC input and not use anything else until
>> one
>> is satisfied all is working correctly. Then add in the AUX equipment
>> and observe the results.
>> 73
>> Bob, K4TAX
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>
>
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