Re: Topband: ADC Overload from MW transmitters

2015-10-23 Thread JC
<< What do we do with them?>> We do what we are! Gentlemen !giving always a good example. Even almost 40 year later worth reading W1BB. W1BB>> GENTLEMENT BAND!!??? ---Shall stress the importance of keeping this UNIQUE band "The GENTLEMEN! Band", as its reputation has been for so many

Re: Topband: ADC Overload from MW transmitters

2015-10-23 Thread Rich Chatelain
Thank you for posting that JC ! I have never read that before and it is very appropriate. Rich K7ZV -Original Message- From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of JC Sent: Friday, October 23, 2015 5:58 AM To: 'topband' Subject: Re: Topband: ADC Overload from MW

Re: Topband: ADC Overload from MW transmitters

2015-10-23 Thread Mike Waters
Great advice indeed. On Fri, Oct 23, 2015 at 7:57 AM, JC wrote: > The BEST WAY to handle them is TO PAY NO ATTENTION WHATSOEVER NOT EVEN > MENTION it or them ... The WORST thing to do is to TAKE NOTICE of them, > talk about them, call them names, retaliate, etc.

Topband: ADC Overload from MW transmitters

2015-10-23 Thread K1FZ-Bruce
Thanks for the reminder JC.    Remember. 160 meters was not included in most ham gear not so long ago. It's a gift we should treasure.   73 Bruce-k1fz   BOG antenna notes have been updated at a new address.   www.qsl.net/k1fz/bogantennanotes.html     On Fri, 23 Oct 2015 08:57:38 -0400,

Re: Topband: ADC Overload from MW transmitters

2015-10-22 Thread Gary Smith
M SPAM ... (with a guys voice trying to sound like a old > > woman) Flying Circus any one? > > > > > >> From: bayc...@mediacombb.net > >> To: patriot...@msn.com; topband@contesting.com > >> Subject: Re: Topband: ADC Overload from MW transmitters &g

Re: Topband: ADC Overload from MW transmitters

2015-10-22 Thread Doug Renwick
t see that structure ... > > Id like to know what SDR was so poor. > > > > SPAM SPAM SPAM SPAM ... (with a guys voice trying to sound like a old woman) Flying Circus any one? > > > > > >> From: bayc...@mediacombb.net > >> To: patriot...@msn.com; topban

Re: Topband: ADC Overload from MW transmitters

2015-10-20 Thread Peter Voelpel
I guess it was a SDR-1000 or Flex5000 73 Peter -Original Message- From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of MIKE DURKIN Sent: Dienstag, 20. Oktober 2015 08:08 To: topband@contesting.com Subject: Re: Topband: ADC Overload from MW transmitters Come on Bill

Re: Topband: ADC Overload from MW transmitters

2015-10-20 Thread Cecil Acuff
>> From: bayc...@mediacombb.net >> To: patriot...@msn.com; topband@contesting.com >> Subject: Re: Topband: ADC Overload from MW transmitters >> Date: Tue, 20 Oct 2015 00:52:15 -0500 >> >> Mike-- >> It is obvious that you do not know who Tom is. >> and--

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Steve Ireland
Hi Jim Clearly in a large US city, there is going to be a whole larger degree of difficulty than here. Perth is still pretty much a small city in world terms, with a population of about 2 million. In addition to the ABC transmitters, we have about half a dozen other transmitters, but only

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Tom W8JI
<vk...@arach.net.au> To: <topband@contesting.com> Sent: Monday, October 19, 2015 8:07 AM Subject: Re: Topband: ADC Overload from MW transmitters Hi Jim Clearly in a large US city, there is going to be a whole larger degree of difficulty than here. Perth is still pretty

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread MIKE DURKIN
SPAM !! > From: w...@w8ji.com > To: topband@contesting.com > Date: Mon, 19 Oct 2015 10:58:44 -0400 > Subject: Re: Topband: ADC Overload from MW transmitters > > I think the problem here is some people read this as a SDR radios never > overload, or are superior in every

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread bruce whitney via Topband
On Mon, 10/19/15, Tom W8JI <w...@w8ji.com> wrote: Subject: Re: Topband: ADC Overload from MW transmitters To: topband@contesting.com Date: Monday, October 19, 2015, 10:58 AM I think the problem here is some people read this as a SDR radios

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Tom W8JI
I'm still of the opinion --right or wrong-- that there will *always* be hams using analog technology that will be able to out-hear anyone using an SDR (even DDS) to copy very weak CW signals at the low end of 160. *But I have an open mind.* I think it was Barry N1EU that disagreed with me on that

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Mike Waters
I'm still of the opinion --right or wrong-- that there will *always* be hams using analog technology that will be able to out-hear anyone using an SDR (even DDS) to copy very weak CW signals at the low end of 160. *But I have an open mind.* I think it was Barry N1EU that disagreed with me on that

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Bill Aycock
-Original Message- From: MIKE DURKIN Sent: Monday, October 19, 2015 10:47 AM To: topband@contesting.com Subject: Re: Topband: ADC Overload from MW transmitters SPAM !! Mike-- Can you explain this opinion? In my experience, almost anything Tom takes the trouble to publish is well

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread John Bohnovic
On 10/19/2015 11:59 AM, bruce whitney via Topband wrote: This has been an interesting discussion. I heard a rumor that a very prominent and successfully competent multi-multi contester in IL was going to an all SDR multiple computer control set-up. Which would seem to be problematic in light

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread shristov
Rudy Bakalov via Topband wrote: > This is not true - higher sample rates are just as effective in > reducing overload as higher bit resolution. ... > The higher sample rates reduces the probability of multiple signals > happening at the same time and overloading the

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread MIKE DURKIN
by almost anyone .. check it out, if not again. Not sure if i should really send this .. but, what the hell. > From: bayc...@mediacombb.net > To: patriot...@msn.com; topband@contesting.com > Date: Mon, 19 Oct 2015 17:41:41 -0500 > Subject: Re: Topband: ADC Overloa

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Jim Brown
On Mon,10/19/2015 10:07 PM, MIKE DURKIN wrote: Tom never mentioned what type of SDR would be wiped out by moderate signals ... Tom cited an SDR wiped out by a VERY STRONG IN-BAND local signal. 73, Jim _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Bill Aycock
@contesting.com Subject: Re: Topband: ADC Overload from MW transmitters If i must Tom never mentioned what type of SDR would be wiped out by moderate signals ... That in its self has three problems ... NO filtering? (should this be called -- comparing apples to apples, not apples

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Tom W8JI
complicated. - Original Message - From: "bruce whitney" <zuce...@yahoo.com> To: <topband@contesting.com>; "Tom W8JI" <w...@w8ji.com> Sent: Monday, October 19, 2015 11:59 AM Subject: Re: Topband: ADC Overload from MW transmitters This has been an i

Re: Topband: ADC Overload from MW transmitters

2015-10-19 Thread Jim Brown
Does that mean "don't bother me with facts, I've made up my mind?" Tom presented his experience. He's a damn good engineer, so we should pay attention to it. Much earlier in this thread, I observed that most serious contesting stations using more than one transmitter will have bandpass

Topband: ADC overload from MW transmitters

2015-10-18 Thread Steve Ireland
G’day For those topbanders, who have medium wave stations nearby and are thinking about trying a DDC/DUC SDR, you may find the comments below from Phil VK6APH/VK6PH (in answer to a query on the Apache Labs reflector a few years ago) of interest. Phil lives line of sight from the Australian

Re: Topband: ADC overload from MW transmitters

2015-10-18 Thread Jim Brown
On Sun,10/18/2015 8:59 PM, Steve Ireland wrote: Phil lives line of sight from the Australian Broadcasting Transmitter installation in the northern suburbs of Perth. There are three AM transmitters there which run 24 hours a day, seven days a week: 6PB at 10 kW on 585 kHz; 6RN at 20 kW on 810