I fully agree with John. I have been running 100 watts in to a dipole on 160 and all I am raising is electricity bill from years. Unless you have decent power on TB no use warming the chair. 73 vu2gsm Kanti
> On Mar 21, 2017, at 05:42, John Harden, D.M.D. <[email protected]> wrote: > > If you want to work the rare ones on Top Band low power is pointless... You > are simply banging your head against the wall... It takes maximum power, > great receiving antennas and a good transmitting antenna. I really starting > hearing well when I began using a rotary FLAG at 95 feet in DIVERSITY RECEIVE > with a Hi-Z 8 Array... > > 73, > > > John, W4NU > > K4JAG (1959 to 1998) > > >> On 3/20/2017 12:25 PM, rick darwicki via Topband wrote: >> In contests I call a lot of guys barefoot first and kick on the amp as >> needed. Problem is usually a guy running full power can be heard out here >> but has an S-8 noise level and can't hear 100W..Yes you can work a lot of DX >> with low power, but as an ex-QRP club member I learned life if too short, 9 >> to go for DXCC on 160 and sweating it. >> 5U and TU can't hear me thru the pile up but I'll bet they can copy if there >> was nobody else on. >> Tried JT65 and it seems CW work also work when it works.Bottom line is you >> typically need power on the low bands to overcome the other guys noise. Rick >> N6PE====================================================================== >> There are more planes in the ocean than submarines in the sky >> >> >> >> >> From: "[email protected]" <[email protected]> >> To: [email protected] >> Sent: Monday, March 20, 2017 9:11 AM >> Subject: Topband Digest, Vol 171, Issue 17 >> Send Topband mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://lists.contesting.com/mailman/listinfo/topband >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of Topband digest..." >> >> >> Today's Topics: >> >> 1. Digital modes on TB and power required (Jim Jim) >> 2. Re: Digital modes on TB and power required ([email protected]) >> 3. Re: Digital modes on TB and power required (HAROLD SMITH JR) >> 4. Re: Digital modes on TB and power required (Mike Waters) >> 5. Re: JT65 Power and bandwidth (Rob Atkinson) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Sun, 19 Mar 2017 21:14:12 -0400 (EDT) >> From: Jim Jim <[email protected]> >> To: List-Topband <[email protected]> >> Subject: Topband: Digital modes on TB and power required >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=UTF-8 >> >> Guys, >> >> First of all in many cases the reason we need really high power on any mode >> is because other hams on the band are using it and they cover us up... so it >> is mine is bigger than yours. Now to be fair that is not always the case I >> know but it happens far too much. Since we are in the years of the bottom >> of the solar cycle we actually may need more power. Also you can not >> compare doing meteor scatter or EME work with HF work. There you absolutely >> need power unless you have stacked 18 element beams or something. But I >> have seen very very few instances when 50 watts wont get the job done EVEN >> on 160M. and NO I don't run my RX with a wide open front end I have an IC >> 7300 and I trim my RX and TX filters to a reasonable width based on the mode >> I am running. Common sense (and good engineering principals) teach you if >> you cut the RX bandwidth the signal goes up in strength. You have only to >> try that with CW to learn that. and for those of you that don't >> understand the princ i > p >> al of RX front end overload try having a neighbor 4 miles away as the crow >> files who is trying to call the same DX you are wanting to work he can be >> half a kHz away and still give you problems even with a good RX. Now you >> guys with the really big antennas can mitigate some of this but us little >> pistols have only once choice ... wait until you neighbor is done. And to >> be neighborly both my neighbor and I do just that. Something to also >> consider when you run any digital mode even RTTY and you do it through a >> sound card you should not be drawing ANY.. not even a little ALC and if you >> do you not only will make it hard for others to copy you but you could >> easily cause all kinds of splatter on the band, you have only to listen to >> some to the signal on 40 and 20 meters to see this. >> >> I am not saying any of this to flame or inflame anyone it is simply the way >> it is. High power is RARELY necessary on the lower bands. >> >> >> Doubt me? Set your transceiver up on WSPR and set it to 20w and find out. >> When TB was open I was heard all over the world with that power .. and yes >> even VK. If all of this is not convincing then follow the FCC rules .. use >> only the power necessary to do that job >> >> >> Oh by the way many of these digital modes are high duty cycle and could do >> damage to your transceiver. >> >> >> Jim >> >> >> >> On the higher bands, low power generally gets the job done. But digital >> folks on 160 need to rethink a few things. Ideally, we should ALL just bump >> our output up to 100 watts. But that's just not gonna happen. ? >> >> I don't have the time right now to add more, but I hope this thread nets >> some useful suggestions to minimize QRN in the 160m digital portion. >> >> 73, Mike >> www.w0btu.com http://www.w0btu.com/ >> >> ------------------------------ >> >> Message: 2 >> Date: Sun, 19 Mar 2017 18:42:18 -0700 >> From: [email protected] >> To: Top Band List List <[email protected]> >> Subject: Re: Topband: Digital modes on TB and power required >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=us-ascii >> >> Try that on 160 from the left coast to EU and AF and you might get very a >> different perspective. >> >> 73 - Steve WB6RSE >> >> >> >> On Mar 19, 2017, at 6:14 PM, Jim Jim <[email protected]> wrote: >> >> But I have seen very very few instances when 50 watts wont get the job done >> EVEN on 160M. >> >> High power is RARELY necessary on the lower bands. >> >> ------------------------------ >> >> Message: 3 >> Date: Mon, 20 Mar 2017 02:31:32 +0000 (UTC) >> From: HAROLD SMITH JR <[email protected]> >> To: "[email protected]" <[email protected]>, Top Band List List >> <[email protected]> >> Subject: Re: Topband: Digital modes on TB and power required >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=UTF-8 >> >> Try that from the mid-west and you will have to wait, wait and wait and then >> wait some more.Been there, done >> that...................................................................................................................................................... >> >> >> Try that on 160 from the left coast to EU and AF and you might get very a >> different perspective. >> >> 73 - Steve WB6RSE >> >> >> >> On Mar 19, 2017, at 6:14 PM, Jim Jim <[email protected]> wrote: >> >> But I have seen very very few instances when 50 watts wont get the job done >> EVEN on 160M. >> >> High power is RARELY necessary on the lower bands. >> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband >> >> >> >> ------------------------------ >> >> Message: 4 >> Date: Sun, 19 Mar 2017 22:13:50 -0500 >> From: Mike Waters <[email protected]> >> To: topband <[email protected]> >> Subject: Re: Topband: Digital modes on TB and power required >> Message-ID: >> <CA+FxYXhTu4z1Njc9DnkcJUSfwfbA=tjoyjmszret1xtx5os...@mail.gmail.com> >> Content-Type: text/plain; charset=UTF-8 >> >>> On Sun, Mar 19, 2017 at 8:42 PM, <[email protected]> wrote: >>> >>> Try that on 160 from the left coast to EU and AF and you might get very a >>> different perspective. >>> >>> 73 - Steve WB6RSE >> On Sun, Mar 19, 2017 at 9:31 PM, HAROLD SMITH JR <[email protected]> >> wrote: >> >>> Try that from the mid-west and you will have to wait, wait and wait and >>> then wait some more. Been there, done that................................ >> Well said, Steve and Harold! That's usually true even if you have a super >> station. >> >> Maybe Jim has a better antenna system? Or a better location? We're all >> ears, maybe we'll learn something new. >> >> 73. Mike >> www.w0btu.com >> >> >> >>> On Mar 19, 2017, at 6:14 PM, Jim Jim <[email protected]> wrote: >>> >>> But I have seen very very few instances when 50 watts wont get the job >>> done EVEN on 160M. >>> >>> High power is RARELY necessary on the lower bands. >> >> ------------------------------ >> >> Message: 5 >> Date: Mon, 20 Mar 2017 08:57:12 -0500 >> From: Rob Atkinson <[email protected]> >> To: [email protected] >> Subject: Re: Topband: JT65 Power and bandwidth >> Message-ID: >> <CALWD7Z5=oao7vczsmuewgj7j0npxq8tzidzuzmy1rsfhbs2...@mail.gmail.com> >> Content-Type: text/plain; charset=UTF-8 >> >>> FCC regs say you should use the minimum power necessary to establish >>> communications. >> Um, no. Here's what it actually says: >> >> >> ?97.313 Transmitter power standards. >> >> (a) An amateur station must use the minimum transmitter power >> necessary to carry out the desired communications. >> >> >> Your "desired communications" are not my "desired communications." I >> desire solid armchair copy. On 160 that usually means QRO. >> >> 73 >> >> Rob >> K5UJ >> >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> Topband mailing list >> [email protected] >> http://lists.contesting.com/mailman/listinfo/topband >> >> >> ------------------------------ >> >> End of Topband Digest, Vol 171, Issue 17 >> **************************************** >> >> >> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband > > > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband _________________ Topband Reflector Archives - http://www.contesting.com/_topband
