A.M.E.N.
IT IS TIME TO CLEAN UP OUR FILTHY TRANSMITTERS!
73
Rick, DJ0IP
-----Original Message-----
From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Greg S via
TenTec
Sent: Friday, July 21, 2017 12:16 AM
To: Discussion of Ten-Tec Equipment
Cc: Greg S
Subject: Re: [TenTec] notch filter for Eagle?
I personally wish, now that nearly ALL new rigs have more receiver performance
than most hams will ever use, that Rob would remove his receiver list, and
change it to a TRANSMITTER performance shootout list......can I get an Amen???
Greg, KC8HXO
>
> On Jul 20, 2017 at 17:54, <rick@dj0ip.de (mailto:rick@dj0ip.de)> wrote:
>
>
>
> Dave, That is only because Rob Sherwood worked long and hard on Ten-Tec and
> FLEX to fix their problems. When they originally shipped, neither were any
> good at blanking electric fences. We all owe Rob a huge amount of gratitude
> for the many years of service he has given us. 73 Rick, DJ0IP -----Original
> Message----- From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of
> David W LeJeune, Sr Sent: Thursday, July 20, 2017 9:48 PM To: 'Discussion of
> Ten-Tec Equipment' Subject: Re: [TenTec] notch filter for Eagle? I have an
> electrical fence next door. Both the noise blanker in my Orion II and the one
> in my Flex 6500 easily take out that type of noise as well as ignition noise.
> The Orion has a manual notch filter (sort of). It's really a fixed freq notch
> at either 300 hz or 1050 hz. You can use that with CW and the RIT - move the
> interfering hetrodyne inside of the selected notch. Of course, you have to
> accept the change in the pitch of the CW signal. Dave WN5V -----Original
> Message----- From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of
> rick@dj0ip.de Sent: Thursday, July 20, 2017 9:36 AM To: 'Discussion of
> Ten-Tec Equipment' Subject: Re: [TenTec] notch filter for Eagle? Gary, Your
> Pro 2 of course is ancient history now. Was a great radio in its day. Manual
> notch filters are fine on CW because "we" use our brain to notch the
> disturbance and not the desired frequency. The auto-notch can't tell the
> difference. Regardless of what it can and can't do, if it dies, you probably
> won't even get spare parts for it. And brand new radios are no longer coming
> with manual notch filters (except for the old stock sitting on shelves and
> being offered at dumping prices to get rid of it). If my memory serves me
> right, that was still one of the radios with a useful noise blanker for
> blanking out electrical fences. None of the new DSP noise blankers can do
> that as well as the old noise blankers. There certainly were advantages in
> the older radios but we will probably only see one more new radio come out
> in Japan with that old technology...at the end of this year. I don't know if
> Mike will bring out an Eagle or Omni VII again. The eagle has a good noise
> blanker, the OM7 has a DSP blanker, but it has been improved in firmware for
> use near electrical fences; still not as good as older technology though.
> Ones step forward, two steps back! (hi) 73 Rick -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Dukes HiFi
> Sent: Thursday, July 20, 2017 4:03 PM To: Discussion of Ten-Tec Equipment Cc:
> Bernie Skoch Subject: Re: [TenTec] notch filter for Eagle? In side-by-side
> comparison, an Icon IC-756 Pro2 notch filter versus an Orion/Eagle type notch
> filter, using my Pro 2 manual notch filter (which also works in CW, and is
> inside the AGC loop), I can hear weak but desired signals far more easily
> with the otherwise inferior Pro 2 than I can with the otherwise superior
> Orion/Eagle. This is especially true when the offending carrier is keyed,
> since the Pro 2 receiver is not constantly adjusting gain to compensate for
> the keyed offending carrier. One can SORT of obtain similar results by
> turning off the AGC in the Orion/Eagle when using the notch filter as long as
> you don’t need any AGC action. Gary > On Jul 20, 2017, at 8:34 AM, Bernie
> Skoch via TenTec wrote: > > Rick, > > I do not believe I am "out in
> right field." > > Someone commented that all Ten Tec notch filters are
> useless. I disagreed. > > 73, > Bernie > >> On Jul 20, 2017, at
> 02:30, rick@dj0ip.de wrote: >> >> You guys are all out in right field.
> >> >> No radio's auto notch filter works in CW mode. >> They cannot
> distinguish between the useful tone and the disturbing tone. >> >> And
> yes, in that case, a manual notch filter is indeed better, but >> show me a
> radio built today that has one. >> >> I find the Eagle's notch filter
> effective on SSB. >> >> 73 >> Rick, DJ0IP >> >> -----Original
> Message----- >> From: TenTec [mailto:tentec-bounces@contesting.com] On
> Behalf Of >> Bernie Skoch via TenTec >> Sent: Thursday, July 20, 2017
> 3:21 AM >> To: Discussion of Ten-Tec Equipment >> Cc: Bernie Skoch;
> w2iy@verizon.net >> Subject: Re: [TenTec] notch filter for Eagle? >> >>
> "It's sort of useless, like all Ten Tec notch filters..." >> >> I _LOVE_
> my Orion II notch filter! >> >> The automatic feature is good, but the
> manual one is about the best >> I've ever used. >> >> 73, >> Bernie
> >> >>> On Jul 19, 2017, at 16:33, Gary F wrote: >>> >>> The Eagle does
> have a notch function. I don't recall how to activate >>> it >> but it is
> in the manual. >>> >>> It's sort of useless, like all Ten Tec notch
> filters, since it is >>> outside >> the AGC loop, so, while it does not
> have the carrier, it also >> attenuated your desired signal by about as
> much as it reduces the carrier. >>> >>> The reduction to 20 watts in Tune
> is self-defense. Orion's do it >>> too. This >> is to prevent the
> presence of full 100 watts into a mismatch. It is >> good policy. >>>
> >>> Orion's had an option in which you could press the Power button, I >>
> believe, to get 100 watts in Tune after match had been reached. >>> >>>
> Red arid green the A//B VFO, there really is no A or B VFO in the >>
> traditional sense and Eagle only has one tuning knob. Therefore, the >> A/B
> indicator serves no function in transceive operation. In split >>
> operation, that indicator should flip when going fro RX to TX to tell >>
> you which displayed frequency is the TX frequency. >>> >>> Gary >>>
> >>> Sent from my iPad >>> >>>> On Jul 19, 2017, at 3:05 PM, Michael
> Tortorella wrote: >>>> >>>> Hi all, I am hearing an awful lot of steady
> carrier signals up here >>>> in >> the >>>> frozen north of Downeast
> Maine. Most are not very strong and they go >> away >>>> when I
> disconnect the antenna so they are external to the radio. >>>> Today I am
> chasing TR8CA on 20 CW, he is way down in the noise, and >>>> 100 Hz away
> from one of these carriers. Sure would be nice to have >>>> something like
> a notch filter to help in situations like these but >>>> I could not see
> anywhere in the manual or front panel where I could >>>> notch the
> offending carrier. Is there any list wisdom on this? >>>> >>>> >>>>
> >>>> On another note, I did contact service at TT last week with my >>>>
> question about power out in autotune; after only a few days delay I >>>>
> got an answer that the power out in autotune is 20 watts even >>>> though
> the power output shown on the display is 100. This seems >>>> not quite
> right from a human factors point of view, maybe there can >>>> be a
> firmware fix? Also, when exchanging VFOs, the A,B labels do >>>> not change
> even when the B vfo is in large type at the top of the >>>> display. I find
> this confusing. OK, I guess this turned into a >>>> longer letter about a
> couple of other things besides notch >>>> filtering, so please excuse my
> prolixity and thank for the BW. Any >>>> suggestions >> appreciated.
> >>>> >>>> Thanks and 73, Mike W2IY >>>> >>>> >>>> >>>> --- >>>>
> This email has been checked for viruses by AVG. >>>> http://www.avg.com
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