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Re: Topband: Topband Digest, Vol 205, Issue 21

To: topband@contesting.com
Subject: Re: Topband: Topband Digest, Vol 205, Issue 21
From: Mike Devereux via Topband <topband@contesting.com>
Reply-to: Mike Devereux <g3sed@aol.com>
Date: Fri, 17 Jan 2020 09:59:49 +0000
List-post: <mailto:topband@contesting.com>
Roger
I had a great night working Asia HS0 and lots of JA also USA. Conditions here 
seemed good. Was using my Dipole!
Mike G 3 SED

Sent from my iPhone

> On 16 Jan 2020, at 17:01, topband-request@contesting.com wrote:
> 
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> 
> Today's Topics:
> 
>   1. Re: Topband resource (W0MU Mike Fatchett)
>   2. Re: Topband resource (Roger Parsons)
>   3. Re: Topband resource vertical vs. horizontal (David Olean)
>   4. Re: Topband resource (Jim Brown)
>   5. Hamvention related updates (Tim Duffy)
>   6. Re: Topband resource (Jim Brown)
>   7. Topband resource (Lee STRAHAN)
>   8. Re: Topband resource (Jim Brown)
>   9. Re: Topband resource (Arthur Delibert)
>  10. Re: Topband resource (Roger Parsons)
>  11. Re: Topband resource (Jim Brown)
>  12. Re: Topband resource (Roger Parsons)
>  13. Topband resource (Jim Thomson)
>  14. Wednesday 160m DX CW Activity Night (Roger Kennedy)
>  15. Re: Wednesday 160m DX CW Activity Night (Sam Josuweit)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 15 Jan 2020 10:53:32 -0700
> From: W0MU Mike Fatchett <w0mu@w0mu.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> Message-ID: <7702344f-b0a0-1a2a-f943-3b69a509d683@w0mu.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> I was only really able to work Carib/CA/SA with my inverted v at 70 ft.?
> With the inverted L I get our far better.? I am a very long way from any 
> salt water in any direction.
> 
> W0MU
> 
>> On 1/15/2020 9:17 AM, donovanf@starpower.net wrote:
>> Roger has 27 topband QSOs in my log since February 1993,
>> well done!
>> 
>> 
>> Its interesting how our transmitting antenna experiences are exactly
>> opposite on both 160 and 80 meters. I've had little success with
>> 160 meter horizontal dipoles 100 to 200 feet high compared to
>> my 4-square vertical array which always perform superbly.
>> 
>> 
>> I use only vertically polarized antennas f or topband receiving ,
>> a 350 foot diameter W8JI/W5ZN/N4HY passive 8-circle array,
>> 580 foot Beverages and my transmitting 4-square array. All
>> receive 6 to 10 dB better for DX than horizontal dipoles at my QTH.
>> Many easily copied DX signals on the verticals are completely
>> inaudible on the horizontal dipoles.
>> 
>> 
>> 
>> On 80 meters I use only horizontally polarized 2 element quads
>> 170 feet high for transmitting which are far superior to any verticals
>> I've tried although I've never tried anything more sophisticated than
>> a 4-square transmitting array.
>> 
>> 
>> My 80 meter quads perform very well as receiving antennas, on
>> some -- but not all -- very weak signals they outperform the
>> 175 foot diameter passive 8-circle array and 580 foot Beverages.
>> 
>> 
>> You can never have too many antennas...
>> Unless they interfere with each other, a non-trivial issue.
>> 
>> 
>> 73
>> Frank
>> W3LPL
>> 
>> ----- Original Message -----
>> 
>> From: "Roger Kennedy" <roger@wessexproductions.co.uk>
>> To: topband@contesting.com
>> Sent: Tuesday, January 14, 2020 10:48:51 PM
>> Subject: Topband: Topband resource
>> 
>> 
>> "However, 160 needs vertical polarization for consistent long DX."
>> 
>> So how is it that I consistently work all over the world on 160m with my
>> horizontal dipole at 50ft?! (and my signals seem to often be pretty
>> comparable with other Brits using verticals}
>> 
>> You certainly need a Vertical to work DX on 80m . . . but in my experience
>> 160m propagation is very different . . . I'm guessing it's often quite high
>> angle due to multi-hop or ducting.
>> 
>> Also, I don't understand why on the Web page they are talking about NA
>> stations coming on Top Band at 1730 UTC to work Europe . . . I don't find
>> the band opens to NA until at least 2200 . . . and for me signals are always
>> much better after midnight.
>> 
>> Roger G3YRO
>> 
>> 
>> _________________
>> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
>> 
>> _________________
>> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 15 Jan 2020 17:55:15 +0000 (UTC)
> From: Roger Parsons <ve3zi@yahoo.com>
> To: TopBand List <topband@contesting.com>
> Cc: "Manuals@ArtekManuals.com" <Manuals@ArtekManuals.com>
> Subject: Re: Topband: Topband resource
> Message-ID: <951245210.13893125.1579110915703@mail.yahoo.com>
> Content-Type: text/plain; charset=UTF-8
> 
> NR1DX wrote: "Apples and oranges." regarding my antennas.
> 
> Not really. 
> 
> There is very little pattern difference between a purely horizontal dipole 
> and an inverted V provided that the angle of the V is not too acute. A 
> horizontal dipole 5/8 wavelength high has predominantly low angle? radiation.
> 
> W4RNL is sadly an SK. However, he designed and described a great many antenna 
> systems one of which is a half wave vertical array for 160m. I have one. Here.
> 
> 73 Roger
> VE3ZI
> 
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Wed, 15 Jan 2020 18:07:38 +0000
> From: David Olean <k1whs@metrocast.net>
> To: donovanf@starpower.net, topband@contesting.com
> Subject: Re: Topband: Topband resource vertical vs. horizontal
> Message-ID: <e131a7d6-c187-c45d-b38b-9221c54e477a@metrocast.net>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> I was always intrigued by the success of our "Down Under" friends in 
> VK6. They tried vertical polarization and it was horrible. They had much 
> better luck with horizontal wires.? I think this had much to do with the 
> gyro frequency.? It depends on where you are in the world.? I am about 
> 30 miles away from salt water. My ground is poor with hills and rocky 
> soil.? The tops of the local hills are solid rock. ? I tried an inverted 
> vee antenna for 160. It worked, but not very well.? My signal was sort 
> of like chopped liver. No one would answer me when I called!? I did 
> catch an opening, however, where it worked very well and I nabbed two JA 
> stations. I have a recording of one of the? QSOs , and my signal got 
> very loud in JA at times. Switching to a vertical here, there was no 
> comparison. I went from chopped liver to meat loaf and gravy. Still it 
> was a long time before I worked another JA, and when I did, it was a 
> squeaker!
> 
> 73
> 
> Dave K1WHS
> 
>> On 1/15/2020 4:17 PM, donovanf@starpower.net wrote:
>> Roger has 27 topband QSOs in my log since February 1993,
>> well done!
>> 
>> 
>> Its interesting how our transmitting antenna experiences are exactly
>> opposite on both 160 and 80 meters. I've had little success with
>> 160 meter horizontal dipoles 100 to 200 feet high compared to
>> my 4-square vertical array which always perform superbly.
>> 
>> 
>> I use only vertically polarized antennas f or topband receiving ,
>> a 350 foot diameter W8JI/W5ZN/N4HY passive 8-circle array,
>> 580 foot Beverages and my transmitting 4-square array. All
>> receive 6 to 10 dB better for DX than horizontal dipoles at my QTH.
>> Many easily copied DX signals on the verticals are completely
>> inaudible on the horizontal dipoles.
>> 
>> 
>> 
>> On 80 meters I use only horizontally polarized 2 element quads
>> 170 feet high for transmitting which are far superior to any verticals
>> I've tried although I've never tried anything more sophisticated than
>> a 4-square transmitting array.
>> 
>> 
>> My 80 meter quads perform very well as receiving antennas, on
>> some -- but not all -- very weak signals they outperform the
>> 175 foot diameter passive 8-circle array and 580 foot Beverages.
>> 
>> 
>> You can never have too many antennas...
>> Unless they interfere with each other, a non-trivial issue.
>> 
>> 
>> 73
>> Frank
>> W3LPL
>> 
>> ----- Original Message -----
>> 
>> From: "Roger Kennedy" <roger@wessexproductions.co.uk>
>> To: topband@contesting.com
>> Sent: Tuesday, January 14, 2020 10:48:51 PM
>> Subject: Topband: Topband resource
>> 
>> 
>> "However, 160 needs vertical polarization for consistent long DX."
>> 
>> So how is it that I consistently work all over the world on 160m with my
>> horizontal dipole at 50ft?! (and my signals seem to often be pretty
>> comparable with other Brits using verticals}
>> 
>> You certainly need a Vertical to work DX on 80m . . . but in my experience
>> 160m propagation is very different . . . I'm guessing it's often quite high
>> angle due to multi-hop or ducting.
>> 
>> Also, I don't understand why on the Web page they are talking about NA
>> stations coming on Top Band at 1730 UTC to work Europe . . . I don't find
>> the band opens to NA until at least 2200 . . . and for me signals are always
>> much better after midnight.
>> 
>> Roger G3YRO
>> 
>> 
>> _________________
>> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
>> 
>> _________________
>> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Wed, 15 Jan 2020 10:44:36 -0800
> From: Jim Brown <jim@audiosystemsgroup.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> Message-ID:
>    <44c7f6e0-6802-364d-d982-3678a67d0d2c@audiosystemsgroup.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> It's more than antennas. There's also propagation. You're 700 miles ESE 
> of me, which gives you a path to EU over less of the auroral zone.
> 
> AND there's noise, which has been increasing over time. My first years 
> in W6 were more productive for CW on Topband than now -- I have a dozen 
> or so countries in the log from the solar minimum of those earlier years.
> 
> 73, Jim K9YC
> 
>> On 1/15/2020 6:21 AM, Wes wrote:
>> Roger is in my logbook, along with at least five other "G" stations.? My 
>> station is described on my QRZ page.? I receive on the TX antenna.
>> 
>> Wes? N7WS
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Wed, 15 Jan 2020 13:44:46 -0500
> From: "Tim Duffy" <k3lr@k3lr.com>
> To: <topband@contesting.com>
> Subject: Topband: Hamvention related updates
> Message-ID: <005001d5cbd3$dc680440$95380cc0$@k3lr.com>
> Content-Type: text/plain;    charset="us-ascii"
> 
> 2020 Dayton Contest University Professors and the 2020 Course Outline have
> been posted.
> 
> <https://www.contestuniversity.com/> https://www.contestuniversity.com/
> 
> <https://www.contestuniversity.com/course-outline/>
> https://www.contestuniversity.com/course-outline/
> 
> 
> 
> 2020 Dayton TopBand Dinner speaker is Glenn Johnson, W0GJ
> 
> <https://www.topbanddinner.com/> https://www.topbanddinner.com/
> 
> Info about Glenn's talk is here:
> 
> <https://www.topbanddinner.com/wp-content/uploads/2020/01/VP6R-pg1-3.pdf>
> https://www.topbanddinner.com/wp-content/uploads/2020/01/VP6R-pg1-3.pdf
> 
> 
> 
> The 28th Annual Dayton Contest Dinner 
> 
> <https://www.contestdinner.com/> https://www.contestdinner.com/
> 
> Our dinner speaker is Bryant, KG5HVO - his bio is here:
> 
> 
> <https://www.contestdinner.com/wp-content/uploads/2020/01/Bryant-Rascoll-KG5
> HVO.pdf>
> https://www.contestdinner.com/wp-content/uploads/2020/01/Bryant-Rascoll-KG5H
> VO.pdf
> 
> 
> 
> 73
> 
> Tim K3LR
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 6
> Date: Wed, 15 Jan 2020 10:59:02 -0800
> From: Jim Brown <jim@audiosystemsgroup.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> Message-ID:
>    <95b6203b-23e9-b2e4-1f0a-4f59174130d4@audiosystemsgroup.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
>> On 1/15/2020 9:55 AM, Roger Parsons via Topband wrote:
>> There is very little pattern difference between a purely horizontal dipole 
>> and an inverted V provided that the angle of the V is not too acute. A 
>> horizontal dipole 5/8 wavelength high has predominantly low angle? radiation.
> 
> But there IS a difference in efficiency that looking ONLY at the pattern 
> misses. To understand this, take a look at
> 
> http://k9yc.com/VertOrHorizontal-Slides.pdf
> 
> starting around slide #18, which plots the pattern of an 80M dipole as 
> it's height is varied ON THE SAME AXES, and the following slide, which 
> picks points off of those curves to show gain vs height at vertical 
> angles of 5, 10, 15, 20, and 70 degrees. Slide #19 clearly shows that 
> gain at low angles increases with mounting height. To apply these data 
> to 160M, simply multiply height by 2.
> 
> There is, of course, also the matter of how horizontally and vertically 
> polarized waves propagate, and how they are affected by nearby earth. 
> Vertically polarized waves encounter a very strong loss component from 
> poor soil conductivity, while horizontally polarized waves are almost 
> unaffected.
> 
> 73, Jim K9YC
> 
> 
> ------------------------------
> 
> Message: 7
> Date: Wed, 15 Jan 2020 19:13:43 +0000
> From: Lee STRAHAN <k7tjr@msn.com>
> To: "topband@contesting.com" <topband@contesting.com>
> Subject: Topband: Topband resource
> Message-ID:
>    
> <MWHPR05MB28163BDA6E7E5B04DB0719C9F5370@MWHPR05MB2816.namprd05.prod.outlook.com>
>    
> Content-Type: text/plain; charset="utf-8"
> 
>   And from the Northwest I have a slightly different observation of 
> horizontal/vertical questions. What I have noticed is this. I more or less 
> equate Horizontal antennas with high angle and vertical with low. The EU 
> stations are usually mostly looking West into the setting sun. The East coast 
> stations are looking into the total darkness toward EU mostly. Here in the 
> Northwest we look into darkness toward EU and the East coast. I mention this 
> because observations of high angle signals are VERY rare looking East toward 
> EU. Maybe twice in 10 years. However looking West toward the setting sun and 
> JA and UA0 I often see signals start early on the low angle vertical antennas 
> and progress toward high angle signals in a same setting. The low horizontal 
> takes over as the signals apparently get to a higher angle. I am about 200 
> miles from the Pacific. I have on my project list (way way down it) to build 
> a high angle, low elevation horizontal array with a high RDF and gain just to 
> see what it 
> would do. Unfortunately it stays way down the list.
>   For me Frank LPL says it all " You can never have too many antennas... 
> Unless they interfere with each other, a non-trivial issue."
> Lee   K7TJR   OR
> 
> 
> It's more than antennas. There's also propagation. You're 700 miles ESE of 
> me, which gives you a path to EU over less of the auroral zone.
> 
> AND there's noise, which has been increasing over time. My first years in W6 
> were more productive for CW on Topband than now -- I have a dozen or so 
> countries in the log from the solar minimum of those earlier years.
> 
> 73, Jim K9YC
> 
>> On 1/15/2020 6:21 AM, Wes wrote:
>> Roger is in my logbook, along with at least five other "G" stations.? 
>> My station is described on my QRZ page.? I receive on the TX antenna.
>> 
>> Wes? N7WS
> 
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
> 
> ------------------------------
> 
> Message: 8
> Date: Wed, 15 Jan 2020 11:56:34 -0800
> From: Jim Brown <jim@audiosystemsgroup.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> Message-ID:
>    <7145684d-f7eb-21e9-5624-5c9a4d466b97@audiosystemsgroup.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
>> On 1/15/2020 11:13 AM, Lee STRAHAN wrote:
>> And from the Northwest I have a slightly different observation of 
>> horizontal/vertical questions.
> 
> Your analysis makes lots of sense, Lee. It's consistent with what I've 
> read from trustworthy sources about propagation.
> 
> 73, Jim K9YC
> 
> 
> ------------------------------
> 
> Message: 9
> Date: Wed, 15 Jan 2020 20:06:36 +0000
> From: Arthur Delibert <radio75a3@msn.com>
> To: "topband@contesting.com" <topband@contesting.com>,
>    "jim@audiosystemsgroup.com" <jim@audiosystemsgroup.com>
> Subject: Re: Topband: Topband resource
> Message-ID:
>    
> <SN6PR10MB26089AC28AC176BF2ABC746FE4370@SN6PR10MB2608.namprd10.prod.outlook.com>
>    
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Back in the late 90s, there were a pair of articles in QST about a receiving 
> antenna for 80 and 160 that rejects local noise.  The antenna was low and 
> horizontal, it was exceptionally quiet even in a somewhat noisy location, and 
> it had a very high reception angle.  I recall that the authors said they 
> could hear pretty much everything the "big boys" could hear, but for a 
> shorter window of time.  Also seems consistent with what Lee said.
> 
> Overall, I have to say that 160M propagation is still somewhat mysterious, 
> and we should be careful about judging too quickly what others describe as 
> their experience.  We're like the three blind men describing the elephant:  
> each of us has hold of a different part and so we have different experiences. 
>  We won't understand the full picture until we respect and appreciate each 
> other's experiences.
> 
> 'Nuf said.
> 
> Art Delibert, KB3FJO
> 
> ________________________________
> From: Topband <topband-bounces+radio75a3=msn.com@contesting.com> on behalf of 
> Jim Brown <jim@audiosystemsgroup.com>
> Sent: Wednesday, January 15, 2020 2:56 PM
> To: topband@contesting.com <topband@contesting.com>
> Subject: Re: Topband: Topband resource
> 
>> On 1/15/2020 11:13 AM, Lee STRAHAN wrote:
>> And from the Northwest I have a slightly different observation of 
>> horizontal/vertical questions.
> 
> Your analysis makes lots of sense, Lee. It's consistent with what I've
> read from trustworthy sources about propagation.
> 
> 73, Jim K9YC
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
> 
> 
> ------------------------------
> 
> Message: 10
> Date: Wed, 15 Jan 2020 21:25:15 +0000 (UTC)
> From: Roger Parsons <ve3zi@yahoo.com>
> To: Topband <topband@contesting.com>,    "jim@audiosystemsgroup.com"
>    <jim@audiosystemsgroup.com>
> Subject: Re: Topband: Topband resource
> Message-ID: <1518173527.14041626.1579123515579@mail.yahoo.com>
> Content-Type: text/plain; charset=UTF-8
> 
> K9YC wrote: "But there IS a difference in efficiency that looking ONLY at the 
> pattern misses."
> 
> Your point is unclear to me. Of course the pattern of a horizontal antenna 
> changes with changing height and with other environmental factors. If the 
> antenna is actually on the ground the efficiency is pretty terrible, but it 
> does not have to be very high before efficiency does not change meaningfully 
> with height - assuming that total radiation is considered rather than just 
> that which is useful.
> 
> However, I was only describing a horizontal dipole at around 5/8 wavelength 
> high. NR1DX suggested that because the ends are lower than the centre that 
> there was now an additional "significant vertical component". There is not if 
> the included angle is shallow, which in my case it is.* 
> 
> 73 Roger
> VE3ZI
> 
> *(I stated that the ends were at 250' - they are at least that, and could be 
> up to about 290' - but I have not accurately measured the tension in the 
> support rope nor allowed for stretch so I cannot be specific about the 
> catenary.)
> 
> 
> ------------------------------
> 
> Message: 11
> Date: Wed, 15 Jan 2020 14:05:29 -0800
> From: Jim Brown <jim@audiosystemsgroup.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> Message-ID:
>    <67e9dc98-c95d-7d1e-73ad-86c466694923@audiosystemsgroup.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
>> On 1/15/2020 1:25 PM, Roger Parsons via Topband wrote:
>> Your point is unclear to me.
> 
> Did you study the slides?
> 
> 73, Jim K9YC
> 
> 
> ------------------------------
> 
> Message: 12
> Date: Wed, 15 Jan 2020 23:36:22 +0000 (UTC)
> From: Roger Parsons <ve3zi@yahoo.com>
> To: Topband <topband@contesting.com>,    "jim@audiosystemsgroup.com"
>    <jim@audiosystemsgroup.com>
> Subject: Re: Topband: Topband resource
> Message-ID: <1797291964.14123383.1579131382152@mail.yahoo.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Yes
> 
> 
> ------------------------------
> 
> Message: 13
> Date: Wed, 15 Jan 2020 21:05:27 -0800
> From: "Jim Thomson" <jim.thom@telus.net>
> To: "TopBand List" <topband@contesting.com>
> Subject: Topband: Topband resource
> Message-ID: <9F9A9A2454FD459D8243CE20F30DE4CE@DESKTOPSV54DBH>
> Content-Type: text/plain;    charset="iso-8859-1"
> 
> Date: Wed, 15 Jan 2020 15:58:57 +0000 (UTC)
> From: Roger Parsons <ve3zi@yahoo.com>
> To: topband@contesting.com
> Subject: Re: Topband: Topband resource
> 
> <W8JI's experience with a horizontal dipole at 300 ft is often quoted as 
> proof that only vertical antennas are useful for 160m DX. This is not my 
> experience with a dipole with the centre at 320 ft and the ends at over 250'. 
> In its favoured directions it is equal to a <W4RNL half wave vertical array 
> over a very large radial system. It is unsurprisingly not as good off the 
> ends, and quite is useless for relatively local communications.
> <I am also inclined to support Roger, G3YRO, in his use of a low dipole, 
> having myself successfully used relatively low horizontal antennas for DX in 
> the past. There are most certainly times when higher angles are useful for DX 
> - and possibly more frequently than <we imagine. There actually have to be, 
> otherwise Roger would never work any DX at all. Note, this does not mean that 
> a good vertical antenna is not often or even usually better than a low 
> horizontal one. Finally, the UK is small compared to many other <countries, 
> but it is not actually a tiny island. Roger's path to North America is over 
> about 300 km of land, and he is more than 10km from the sea in any direction.
> 
> <73 RogerVE3ZI/G3RBP
> 
> ##  AFAIK,   W8JIs..  dipole  was  actually an  inverted   vee,  with the  
> apex at  300  feet....with  no  info  on  enclosed  angle.  
> Per  the  older  arrl  ant  books,  Inverted   vees...with a 90  deg  
> enclosed  angle  are  omni directional. 
> But  they  conducted  that  test  on  80m,  with an  inverted  vee    up  60 
> feet,  with a 90  deg  enclosed  angle.  The  vee  was  rotated 90  degs....
> and  signals  900  miles  away  did  not  change.  No  mention  whether a 
> real  CM  balun  was  used.   
> 
> ##  Plenty  of 80m  rotary  dipoles and  80m  yagis that  perform  
> exceptionally well..at  heights  of 100-150  ft.   That  would  extrapolate 
> to   200-300  ft
> on  160m.    Years ago,  a fellow In  Ore  had  installed   the  1st  F12    
> 160   rotary  dipole....  which  I  believe was  up aprx  120  ft.     His  
> 1st  contact  
> was a 4X4.   Several  folks  with  2 el....shorty 40 yagis  up  70  ft,  
> report  that  the  shorty  40  yagi ate  their   40m  4  squares  hands  
> down. 
> Some  have  had  great  success  with  a half  wave  sloper......used in  
> conjunction  with a delta  loop  reflector...apex  up.   In  some  cases, a 
> half  wave  sloper
> was  used  on  either  side of  the  delta  loop  REF.   So 2 switchable  
> directions  were  obtained.  
> 
> Jim   VE7RF         
> 
> 
> 
> 
> ------------------------------
> 
> Message: 14
> Date: Thu, 16 Jan 2020 16:00:42 -0000
> From: "Roger Kennedy" <roger@wessexproductions.co.uk>
> To: <topband@contesting.com>
> Subject: Topband: Wednesday 160m DX CW Activity Night
> Message-ID: <8A0C7DAFAD1D4A90BF2B36830597E599@Packard>
> Content-Type: text/plain;    charset="us-ascii"
> 
> 
> Well sadly conditions seemed very poor last night . . . 
> 
> My own signals were 20 to 30dB down on what I would normally see on NA RBN
> sites
> 
> I managed just 4 NA QSOs . . . but heard several other people calling me
> that were way down in the noise.
> 
> Not sure how many stations were on across the pond, but heard lots of other
> EU stations calling CQ, but getting few replies.
> 
> Thanks to all those that made the effort to come on the band . . . let's
> hope conditions are better next Wednesday !
> 
> 73 Roger G3YRO
> 
> 
> 
> 
> ------------------------------
> 
> Message: 15
> Date: Thu, 16 Jan 2020 11:20:41 -0500
> From: "Sam Josuweit" <samjos@epix.net>
> To: "'Roger Kennedy'" <roger@wessexproductions.co.uk>,
>    <topband@contesting.com>
> Subject: Re: Topband: Wednesday 160m DX CW Activity Night
> Message-ID: <003f01d5cc88$e5fb2e00$b1f18a00$@epix.net>
> Content-Type: text/plain;    charset="us-ascii"
> 
> Lots of static crashes from a storm front moving into the NE US. Very noisy
> last night.
> 
> Sam(N3XZ)
> 
> 
> -----Original Message-----
> From: Topband [mailto:topband-bounces+samjos=epix.net@contesting.com] On
> Behalf Of Roger Kennedy
> Sent: Thursday, January 16, 2020 11:01 AM
> To: topband@contesting.com
> Subject: Topband: Wednesday 160m DX CW Activity Night
> 
> 
> Well sadly conditions seemed very poor last night . . . 
> 
> My own signals were 20 to 30dB down on what I would normally see on NA RBN
> sites
> 
> I managed just 4 NA QSOs . . . but heard several other people calling me
> that were way down in the noise.
> 
> Not sure how many stations were on across the pond, but heard lots of other
> EU stations calling CQ, but getting few replies.
> 
> Thanks to all those that made the effort to come on the band . . . let's
> hope conditions are better next Wednesday !
> 
> 73 Roger G3YRO
> 
> 
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
> 
> 
> 
> ------------------------------
> 
> Subject: Digest Footer
> 
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> 
> ------------------------------
> 
> End of Topband Digest, Vol 205, Issue 21
> ****************************************

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