welcome to visit my blog: http://blog.163.com/[EMAIL PROTECTED]/ please leave comments and QSL cards info > From: [EMAIL PROTECTED]> Subject: Hard-Core-DX Digest, Vol 66, Issue 21> To: [email protected]> Date: Thu, 19 Jun 2008 05:35:03 +0000> > Send Hard-Core-DX mailing list submissions to> [email protected]> > To subscribe or unsubscribe via the World Wide Web, visit> http://montreal.kotalampi.com/mailman/listinfo/hard-core-dx> 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 Hard-Core-DX digest..."> > > ---[Start Commercial]---------------------> > World Radio TV Handbook 2008 is out.> Order yours from> http://www.hard-core-dx.com/redirect2.php?id=wrth2008> ---[End Commercial]-----------------------> ________________________________________> Hard-Core-DX mailing list! > [email protected]> > http://montreal.kotalampi.com/mailman/listinfo/hard-core-dx> > http://www.hard-core-dx.com/> > _______________________________________________> > THE INFORMATION IN THIS > ARTICLE IS FREE. It may be copied, distributed> and/or modified under the > conditions set down in the Design Science License> published by Michael > Stutz at http://dsl.org/copyleft/dsl.txt> > Today's Topics:> > 1. 17720 VTC > pause music symbol (Wolfgang Bueschel)> 2. Re: 17720 VTC pause music symbol > (Jari Savolainen)> 3. HCDX logs between 2008-06-18 0000 UTC and 2008-06-19 > 0000 UTC> (Risto Kotalampi)> 4. logs ([EMAIL PROTECTED])> 5. Re: Dxers > Unlimited?s script for mid week edition 17-18 June> 2008 (Prof. Arnaldo Coro > Antich)> > > > ----------------------------------------------------------------------> > > Message: 1> Date: Wed, 18 Jun 2008 11:12:57 +0200> From: "Wolfgang Bueschel" > <[EMAIL PROTECTED]>> Subject: [HCDX] 17720 VTC pause music symbol> To: > "HCDX" <[EMAIL PROTECTED] x.com>, "DXLD"> <[EMAIL PROTECTED]>> Message-ID: <EB2F1B86E65D49908
[EMAIL PROTECTED]>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";> reply-type=original> > U.K. 17720 This morning between 0810 and 0850 UT noted the typical> VTC/former Merlin pause music symbol of cello music, over and over again.> Seemingly the VTC technician tested the R Solh tx unit from Rampisham U.K.,> which is scheduled later the day at 1200-1800 to zone 40NE RMP 500kW 85degr. > S=9+20dB. June 18th.> wb> > Galei Zahal Israel 15785 missed for the 2nd subsequent day, June 17 & 18.> > ERT Athens Avlis 3rd tx still missed, lasts since May 28th.> > Three nice signals like an OPEN WINDOW from Africa noted at 0800-0900 UT> span:> 9580 Gabon in French, 9635 RTM Bamako in Vernacular, and 9690 VoNigeria in> Hausa, all in peaks to S=7-8 strength.> > On 9599.02 kHz noted a tiny carrier, S=2 at 0840 UT, could be R. UNAM from> Mexico around 0835 UT. Reported lately on 9599.28 kHz.> > Lousy condition on 15 and 17 MHz today.> wb> > > > > > > > -------------------! -----------> > Message: 2> Date: Wed, 18 Jun 2008 18:46:25 +0300> From: "Jari Savolainen" <[EMAIL PROTECTED]>> Subject: Re: [HCDX] 17720 VTC pause music symbol> To: "Wolfgang Bueschel" <[EMAIL PROTECTED]>, "HCDX"> <[email protected]>, "DXLD" <[EMAIL PROTECTED]>> Message-ID: <[EMAIL PROTECTED]>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";> reply-type=response> > > ----- Original Message ----- > From: "Wolfgang Bueschel" <[EMAIL PROTECTED]>> To: "HCDX" <[email protected]>; "DXLD" <[EMAIL PROTECTED]>> Sent: Wednesday, June 18, 2008 12:12 PM> Subject: 17720 VTC pause music symbol> > > > > > > Galei Zahal Israel 15785 missed for the 2nd subsequent day, June 17 & 18.> > Also 6975v has been silent.> > Jari Savolainen> Kuusankoski> Finland> > > ------------------------------> > Message: 3> Date: Wed, 18 Jun 2008 23:05:01 +0000> From: Risto Kotalampi <[EMAIL PROTECTED]>> Subject: [HCDX] HCDX logs between 200! 8-06-18 0000 UTC and 2008-06-19> 0000 UTC> To: [EMAIL PROTECTED] dx.com> Message-ID: <[EMAIL PROTECTED]>> Content-Type: text/plain; charset=us-ascii> > Hard-Core-DX.com logs from 2008-06-18 0000 UTC to 2008-06-19 0000 UTC> ---------------------------------------------------------------------> > Please visit http://log.hard-core-dx.com/ for the real time logs> and to submit your logs to the HCDX Online Log.> > > > > For more information please email [EMAIL PROTECTED]> -----------------------------------------------------> > > ------------------------------> > Message: 4> Date: Thu, 19 Jun 2008 02:26:47 +0100> From: <[EMAIL PROTECTED]>> Subject: [HCDX] logs> To: <[EMAIL PROTECTED]>, "Shortwaveworld Shortwaveworld> Shortwaveworld" <[EMAIL PROTECTED]>, "Robert Wilkner"> <[EMAIL PROTECTED]>, "Logs DSWCI Logs DSWCI Logs DSWCI"> <[EMAIL PROTECTED]>, "Ivan Worldx" <[EMAIL PROTECTED]>,> <[email protected]>, <[EMAIL PROTECTED]>,> <[EMAIL PROTECTED]>, <[EMAIL PROTECTED] labs.com>, "Anker Petersen"> <[EMAIL PROTECTED]>, "Marie Lamb" <[EMAIL PROTECTED]>,> "worlddx" <[EMAIL PROTECTED]>> Message-ID: <[EMAIL PROTECTED]>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";> reply-type=original> > India, 5010, All India Radio, pres, 0045-0105 At tune in,> noted steady music. At 0054 a female comments briefly, then> male heard talking. Can't identify the language however. Nothing> said on the hour to confirm this. Signal was threshold. (Chuck> Bolland, June 19, 2008)> > Honduras, 3250, Radio Luz Y Vida, 0118-0130 Noted music when > tuning in, then a couple of minutes of talk in Spanish by a male and > back to music by 0122. Signal was fair but the crashes on this band> are terrible. (Chuck Bolland, June 19, 2008)> > Sweden, 6010, Radio Sweden, 0155-0200 Noted the tailend of their> English language broadcast with plenty of ID's before they went off at> 0159. While on, the signal was good (armchair) here! . At 0200 after> a brief Interval Signal, the scheduled Swedish broadc ast starts. > (Chuck Bolland, June 19, 2008)> > Cland, 6100, Radio Republica, (Cuba), (pres)0204-0215 Noted a male and> female in Spanish Language conversation. Note being a Spanish> linguist, I couldn't make out the subject of their comments. Mentions> of Cuba often however. Signal was fair. (Chuck Bolland, June 19, 2008)> > Clewiston, Florida> NRD545> > > > > > > ------------------------------> > Message: 5> Date: Tue, 17 Jun 2008 12:50:55 -0400> From: "Prof. Arnaldo Coro Antich" <[EMAIL PROTECTED]>> Subject: Re: [HCDX] Dxers Unlimited?s script for mid week edition> 17-18 June 2008> To: [EMAIL PROTECTED], HCDX <[email protected]>, Gayle> Van Horn <[EMAIL PROTECTED]>, [EMAIL PROTECTED],> Discussions of Antennas and Related Topics> <[EMAIL PROTECTED]>> Message-ID: <[EMAIL PROTECTED]>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed> > Radio Havana Cuba> > Dxers Unlimited> > Dxers Unlimited mid week edition for 17-1! 8 June 2008> > By Arnie Coro> > Radio amateur CO2KK> > > > Hi amigos radioaficionados, welcome to the mid week edition of Dxers > Unlimited at a moment when the 2750 megaHertz solar flux is very near to > the lowest ever recorded levels since 1947, when Professor Arthur > Covington of Canada started to monitor the Sun at microwave frequencies > on a daily basis. Solar flux was at 65 units , a value very close to > the minimum ever recorded. So, as may realize the daytime maximum > useable frequency curve is showing a very slow build up, and is peaking > at extremely low values, with the typical highest possible frequency > propagating via the F2 layer not reaching higher than about 20 to 24 > megaHertz and that?s for very short periods of time.> > More about the very low solar activity and how it may be actually > enhancing sporadic E layer propagation at the end of the program.> > Item two: Handling the daily influx of e-mail sent by Dxers Unlimited > listeners around the ! world is quite a task amigos ! But I do enjoy it a > lot, because some very interesting topics are suggested, questions asked > allow me to provide useful answers not only for the person or persons > who sent the question, but also for many other listeners of the > program... You can send your signal reports , QSL requests for station > verification of reception radio hobby related questions , and comments > about the show. Send them to inforhc at enet.cu > <mailto:inforhc%20at%20enet.cu>, again inforhc at enet.cu > <mailto:[EMAIL PROTECTED]>... Or VIA AIR MAIL, send your postcards and > letters to Arnie Coro, Radio Havana Cuba, Havana, Cuba.> > Now here is item three of the mid week edition for Tuesday June 17 and > Wednesday June 18^th UTC days...Software defined radios are now becoming > more and more both builder and user friendly... Several kits now > available provide prospective homebrewers with a much faster way of > assembling a software defined radio than what may be possible by > attempting to buy or ask for all the required electroni! c components to > make a Software Defined receiver or transceiver... For advanced radio > hobbysts familiar with assembling electronic projects, I think that > experimenting with software defined radios will provide a lot of very > interesting results, and open up new ways of enjoying our hobby.> > Item four: Indoor antennas are useful when there is bad weather and you > do need to communicate. More about indoor antennas for emergency > communications in just a few seconds, when Dxers Unlimited?s mid week > edition continues after a station ID.> > I am Arnie Coro, radio amateur CO2KK in Havana...> > ........> > Si amigos ! You are listening to the mid week edition of your favorite > radio hobby program, Dxers Unlimited with yours truly Arnie Coro ... > Here is now our technical topics section on indoor antennas for > emergency communications .> > Indoor antennas are no match to well installed outdoor ones, but under > some very special circumstances, your only option for pr! oviding the > antenna required by your radios may be to carefully sele ct the best > location inside a building and proceed to install an indoor antenna system.> > I have seen extremely well designed indoor antennas that provide those > who use them with very effective reception and transmission. In order to > make this description a bit more flexible, my concept of an indoors > antenna system includes those that are installed in balconies and > attached to balcony rails.> > At CO2KK , my amateur radio station, there are not one, but five > different indoor antennas that see almost constant daily use.> > Let me describe them for you in detail:> > Number one :The telescopic whips used on my three portable multi-band > receivers...> > Number two: A dual band 2 meters and seventy centimeters vertical > monopole antenna that is used for monitoring the two local 2 meters FM > repeaters, and also to make local contacts on that band and on 70 > centimeters.> > The number three indoor antenna is a MOXON rectangle for the two meters > band that is insta! lled , when needed, on a camera tripod so that it can > be aimed in the direction of the station or repeater I want to contact.> > Number four indoor antenna is a one meter diameter 19 millimeters tubing > copper loop...Yes, it is tuneable magnetic loop that covers from 10 to > 30 megaHertz for reception and that> > Allows transmission on the 30, 20, 17,15 , 12 and 10 meters band, so > this is in my opinion the most compact six band antenna that one can > imagine. It is manually tuned, and YES, you have to retune it everytime > that you need to shift frequency by even a few kiloHertz , but it allows > me to be on the air , especially on 10 meters when the band is open and > I don?t want to connect the outdoor beam because the presence of thunder > clouds in the sky.> > Finally my fifth but not less important indoor antenna is another > magnetic loop optimized for the 6 meters or 50 megaHertz band and that > is kept close to a picture window. I use this smaller loop to monit! or > for possible 6 meters DX during the sporadic E season, that here in Cuba > happens to coincide with the peak of the summer thunderstorm season....> > An interesting fact about the use of indoor antennas is that their > performance is very much related to the type of material used for > building your home. An antenna located inside an attic that is high > above the ground and has no metal elements inside its walls, will show a > much better performance than an identical system that is installed > inside a room of a house built with brick walls and a reinforced > concrete roof. Signals , both the ones to be received and those > transmitted will suffer from severe attenuation , reaching values of > many decibels as compared with an identcial antenna inside the wooden > wall and roof attic !!!> > Please remember that just a small antenna is better than a telescopic > whip or a rubber duck helically loaded whip... something that applies > for both short wave and VHF operation.> > Even a short length of hookup wire attached to your portable rad! io?s > antenna and placed as near as possible to a window, or even just dropped > from the window or balcony will make quite a difference , although > careful placement of the indoor or semi-indoor antenna is necessary in > order to reduce the pick up of interference from home appliances of all > types...> > If you need advice on installing an indoor antenna , just drop me an > e-mail and I?ll try to provide you with advice according to> the frequencies involved and the type of building .> > ......> > This is Dxers Unlimited?s mid week edition and now here is ASK ARNIE, la > numero UNO, the number one most popular section of the program... > Listener Gabriel from Atlanta , Georgia, USA, wants to know what?s the > best time or times of the day to pick up Sporadic E skip signals... He > says in his e-mail: Arnie, I agree with you that HF , that is short wave > propagation is worst than ever... Having listened to international > broadcasts for the past 30 years, I have never b! efore experienced such > poor propagation conditions. Recently I becam e interested in FM > broadcast band Dxing, one of those 84 ways of enjoying the radio hobby > that you have described. And Gabe continues his e-mail describing his > nice vintage Scott FM tuner that has an ECC88 cascode RF amplifier and > outperforms his two other solid state FM receivers in a very significant > way... Gabe says that he is using two antennas for FM Dxing, one is a > commercial log periodic fed with 300 ohms low loss foam dielectric line, > and the other antenna was built following instructions provided in one > of my articles about the TTFD published by CQ-VHF Magazine many years ago.> > Gabe ends his nice e-mail message with the question that I repeat now ?? > Arnie, what are the best times for Sporadic E summer DX ??... Well amigo > Gabriel,or Gabe as you like to be called, it is an interesting fact that > Sporadic E propagation events can happen at anytime of the day, but they > do show ,during the summer months a much higher probability of happening > fr! om about 9 in the morning or a little earlier local time, to about an > hour before noon, and again, there is another period of higher > probability of E skip from about three to four o?clock in the afternoon > to just after sunset, again, I am talking about local time...> > But be aware that in my more than 50 years of Dxing via sporadic E skip, > I have made two way contacts on the 10 and 6 meter bands at two or three > o?clock in the morning, as well as at one o?clock in the afternoon, when > normally you don?t see E skip happening... By the way , we may soon be > loosing one of the best sources of early warning of Sporadic E skip > events , at least here in the Caribbean, and the USA, when next year the > analog TV stations in the United States of America will shut down, and > be replaced by digital technology signals !!! so for those Dxers, both > TV and amateur radio VHF enthusiasts that don?t have bought a digital TV > or a converter box, the familiar pattern of vene! tian blinds atop a > fringe area TV channel two or even a local powerh ouse when the band is > really open will be a thing of the past...> > That?s why amigo Gabe, amateur radio 10 and 6 meter band beacons will > become much more important for us to learn when E skip is present !!! I > hope that this reply answers your question and congratulations on your > nice FM broadcast band Dxing setup amigo !!!> > FM broadcast band Dxing is quite a challenge for people living in > metropolitan areas where cross modulation problems are a tremendous > problem... but those of you living away from the big cities and having a > good receiver or FM tuner can still enjoy FM broadcast band DX events > both via tropospheric ducting or Sporadic E.> > ...............> > Technical Tips, yes Technical Tips here at Dxers Unlimited?s mid week > edition... For your radio hobby enjoyment... Here is the first one: > Whenever you buy or get a free piece of old equipment, be it full of > vacuum tubes or solid state devices... NEVER, , again NEVER connect it > to the power l! ine if it is an AC operated radio, before making a very > detailed visual inspection INSIDE... Look for electrolytic capacitors > that may be leaking , signs of overheated transformers, and in the case > of equipment in long storage signs of mildew and humidity damage.> > After the visual inspection, if no signs of those typical problems are > found, then phase two of a start up procedure for gear in long term > storage will be to carefully test all the electrolytic capacitors using > an Equivalent Series Resistance or ESR meter... go one by one, be > patient and you will be rewarded usually with the detection of one or > more capacitors that will need to be replaced... Proceed to replace > them, and when powering up the equipment use a variable voltage > autotransformer to carefully provide AC to the radio... I usually start > with 25 volts and leave it there for a number of hours... jump then to > 50 volts and monitor the AC current drawn by the radio under the revival > ! process...after about a day at 50 volts, it will be usually safe to > raise the voltage o 100 volts and watch for any signs of overheating or > excessive current drawn from the variable> > voltage transformer ...Just before I forget... in older vacuum tube > radios, it will always a good idea to replace all the paper dielectric > bypass capacitors too... a time consuming procedure, but one that will > save you from having to replace much more expensive and hard to find > components !!!...> > > > And now as always at the end of the show, here is Arnie Coro?s Dxers > Unlimited?s HF plus low band VHF propagation update and forecast.... > Bottom low solar activity, extremely low F2 layer maximum useable > frequencies, while plenty of E skip events are happening over North > America, the Caribbean, Central America and Europe with some unique DX > on 6 meters from half way around the world coming to the surprise of > long time operators on the so called MAGIC BAND---The effective sunspot > number at 15 hours UTC Tuesday was an extremely low ZERO TWO! <... A > close look at the Sun shows we still have the remains of old sunspot > 998, but we have are seeing a sunspot group, 999. This one is almost > on the sun's equator and like 998 has a a clear cycle 23 magnetic > signature. The flux has dropped to a bottom low level of 65 units and > the K index was lower at just 4, units at around 14 UTC Tuesday with > the solar wind well over 700 kilometers per second but it's unlikely > we'll have auroral conditions in the near future. Due to the higher > solar wind there may be some disturbance from minor geomagnetic > storming especially towards the poles.> One final note that is causing concern among solar scientists..> Unfortunately it looks like we have a lot further to go before we can > be certain that we have actually reached the minimum of cycle 23 yet !!!> > > > > > > > > > > > > > End of Hard-Core-DX Digest, Vol 66, Issue 21> ******************************************** ---[Start Commercial]--------------------- Order your WRTH 2008: http://www.hard-core-dx.com/redirect2.php?id=wrth2008 ---[End Commercial]----------------------- ________________________________________ Hard-Core-DX mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/hard-core-dx http://www.hard-core-dx.com/ _______________________________________________ THE INFORMATION IN THIS ARTICLE IS FREE. It may be copied, distributed and/or modified under the conditions set down in the Design Science License published by Michael Stutz at http://www.gnu.org/licenses/dsl.html
