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Re: [HCDX] Dxers Unlimited´s weekend edition for 15-16 March 2008





Radio Havana Cuba

Dxers Unlimited

Dxers Unlimited´s weekend edition for 15-16 March 2008

By Arnie Coro

Radio amateur CO2KK

Hi amigos radioaficionados … welcome to the weekend edition of Dxers Unlimited, from beautifully sunny Havana, Cuba. I am Arnie Coro, radio amateur CO2KK, inviting you all to join me for about seventeen minutes of on the air and also on the web time, plus the now regularly available option of reading the scripts of this program by subscribing to one of several Internet radio hobby mailing lists, including the Ontario DX Association Yahoo mailing list .

Here is today’s show first item, that sounds like ditto from the mid week edition of the program…Another week of very little solar activity reported by scientists, who continue to sit and wait for the expected increase in the number of sunspots from the new cycle.

So far, the new sunspots are not happening, and the daily solar microwave flux continues to be at extremely low levels, registering bottom low 69 units on Friday.

Item two: Now were just a few days away from the spring equinox here in the Northern Hemisphere, and already we are seeing somewhat better propagation conditions especially just after sunset local time. Item three: Cuban radio amateurs are getting ready for the upcoming CQ Radio Amateur magazine worldwide WPX contest, one of the most popular ones in the world. The main reason for the popularity of the CQ WPX contest is that it provides operators with a unique opportunity of increasing their worked DX entities, so it is possible during the WPX contest to add quite a few new ones to your log.

This Saturday at the Plaza Radio Club here in downtown Havana, I will be meeting again with newcomers to the hobby that started to receive their lessons in electronics, rules and regulations, radio wave propagation and communications procedures last week. The training course is programmed to last until May and the radio amateur operator’s tests will take place in June. We call this training program by its own special name, for us it is The Radio Amateurs Academy and it counts with experienced certified instructors selected among the nation’s first class operators, the ones that are on the air with the CO, the Charlie Oscar prefix.

At the request of several listeners, let me repeat that Cuba has four prefixes for its stations registered at the ITU, that include CL, used or the beginner’s license, the CM intermediate class amateurs , CO used for the first class licensees and the T4 prefix that is only assigned to special event stations.

More information about our wonderful radio hobby here in Cuba and in the world after a short break for station ID… I am Arnaldo, Arnie, Coro, radio amateur CO2KK in Havana…stay right here on this same short wave frequency or at our world wide web site that has English language programming from 05 to 07 hours UTC… I will be back in a few seconds…

……

Yes, you are listening to Radio Havana Cuba, the spring equinox is always a good time to start tuning around for new stations. Amateur radio operators have now s yet another incentive to go on the air… the new Clipperton Island DX callsign TX5C expedition is on the air, with high hopes of making a good showing as the just finished Ducie Island outstandingly successful DX expedition achieved.

As I have always told you here, amateur radio expeditions to put on the air remote places are a great incentive for Dxers and the dream of any devoted Dxers is always fixed at having the unique opportunity of taking part on one of the real prominent DX expedition. During my half a century long amateur radio career,I remember in 1994, when a group of Cuban and American radio amateurs activated a special station to participate in the American Radio Relay League summer VHF contest, the ARRL most important yearly event devoted to the promotion of operation on the VHF, UHF and Microwave bands.

The 1994 VHF contest entry of CO0FRC from the Bellomonte cliff overlooking the Florida Straits with a great team of operators won the first place for DX stations entering the event, and we were able to make some firsts , like the first microwave amateur radio contact between Cuba and the USA.. We did make a large number of two way radio contacts, mostly on SSB phone, and at that time we had no digital modes equipment available. A VHF contest taking place now, will require the use of advanced digital communications modes, as they are becoming more and more popular among participating operators.

Si amigos , yes my friends , oui mes amis, a corrected figure, several reliable sources claim that the number of radio amateurs around the world is now exceeding the three millions mark, and a great number of them regularly enjoy communicating using their own equipment and antennas, sometimes from the most unique locations, like from the International Space Station orbiting the Earth, or from a yacht sailing around the world under the helm of a single crew member or as I stated here earlier while flying aboard an airliner cruising at thirty seven thousand feet, something that only airline pilots that are also ham operators are able to do… and let me add that many senior captains and copilots that are ham operators, do it more often than what you may think, because as a very good friend of mine that seats on the left hand seat of wide body jets likes to say… cruising at high altitudes over the world’s oceans can be really boring, due to the high degree of automation of modern aircraft !!! Aeronautical mobile, from a hang glider, a paraplane parachute or a wide body jet is equally enjoyable and is one of the more than 80 ways that people enjoy amateur radio!!!

……

Yes amigos, we do QSL, we do verify well written and documented reception reports, something that is very easy to do, you will only need to send us an e-mail to arnie at rhc dot cu that includes the date, time, frequency, signal intensity and short description of the program content at the time you were listening. Of course that you can add whatever comments you may think will be useful to us, and that’s the way that Dxers Unlimited´s worldwide audience has helped to shape this show so that it will be attractive to the most diverse audiences, from radio experimenters to the beginner short wave listener that has just bought a small portable radio and that today is listening to short wave signals for the first time ever… You can also send your signal reports , comments and ideas on how to improve our programs , as well as any radio hobby related questions VIA AIR MAIL to Arnie Coro, Radio Havana Cuba, Havana, CUBA… and now here is our next item of the weekend edition of Dxers Unlimited… Our very popular technical topics section of the program now ranking third place among our worldwide audience…

By the way, ASK ARNIE is still la numero UNO, the most popular part of the show, closely followed by the HF and low band VHF propagation update and forecast, that according to your e-mail messages, postcards and letters as well as on the air reports is extremely useful when hunting for DX… and then in third place is this one, Technical Topics just starting now… Technical topics today will be presenting a segment about amateur radio operators that are adapting the now very commonly available in many countries WI-FI microwave computer communications systems for ham radio use. WI-FI frequencies are very near an amateur radio band, making the conversion of that type of equipment fairly easy for technically minded operators that are then able to enjoy high quality local digital communications links with fellow amateurs at very low cost and without the difficulties previously faced when attempting to homebrew microwave communications equipment !!!

……

This is Dxers Unlimited´s weekend edition coming to you from sunny Havana, where this Saturday many ham radio operators provided communications support for the annual Terry Fox marathon race. The Terry Fox event has taken place here for the past ten years and has become a very popular race among runners that render tribute to the Canadian who showed the world what a cancer patient could achieve with his extraordinary will and persistence. The Terry Fox run is not a marathon, because the longest distance that runners have to span is three kilometers, but it does require the help of radio amateurs to coordinate efforts within the route followed by the runners. Among the fifteen radio clubs of our metropolitan area, one at every municipality of the City of Havana province…a lot of enthusiasm developed to participate in the Terry Fox run, as it provides an excellent opportunity to test our readiness in case an emergency has to be dealt with. Weather here this Saturday is simply gorgeous, with a clear blue sky , and the temperature is expected to go up to almost 30 degrees Centigrade or 86 degrees Fahnrenheit…At the Habana del Este Club that is one of the more enthusiastic of them all, amateurs started to deploy their equipment at around five o clock in the morning !!! The so called internal 2 meter frequency , of each radio club will be the one used for providing support to the Terry Fox run.… The internal simplex frequencies have proven to be an asset because they do help a lot to develop local communications between radio amateurs that live in the same area and at the same time alleviate traffic from the 2 meter band repeaters. The City of Havana province has als access to another long range repeater, located outside the metropolitan area, The 145.470 repeater can be accessed using handy talkies from locations that continue to amaze me, despite the fact that it is about fifteen miles away from city center. Many City of Havana radio amateurs use a portable J pole antenna homebrewed from a short length of 300 ohms TV twinlead. It is a very simple portable antenna for the two meters band FM transceivers of handy talkies that helps to access the far away repeaters.

QSL on the air, si amigos, QSL on the air to the many RHC listeners that have written to me asking for more information about Cuba’s AM and FM radio broadcasting stations… So following the request, I will tell continue this new segment of Dxers Unlimited with more information about stations broadcasting from Central Cuba. In Santa Clara City on 840 kiloHertz CMHW , known to its listeners as LA DOBLEVE is now on the air with a new solid state high energy efficiency transmitter that is capable of 125 percent positive peak modulation. La DOBLEVE can be heard not only in Villaclara province , but also in neighboring Cienfuegos, Sancti Spiritus and Matanzas… And talking about Matanzas, the new frequency for the provincial station´s main transmitter is 1060 kiloHertz, again Radio Veintiseis, from the center of Matanzas province, with its new solid state transmitter on 1060 kiloHertz providing excellent coverage of the whole of Matanzas province, part of Cienfuegos and the southwestern area of La Habana province. The two new installations form part of a program now in progress to upgrade the AM medium wave band facilities by replacing the obsolete vacuum tube transmitters with new energy efficient equipment that is also capable of 125 percent positive peak modulation, something that increases the coverage of the stations as compared with what could be achieved with the old transmitters.

..................................
And now amigos, as always at the end of the program, here is as always and absolutely free, Arnie Coro´s HF plus low band VHF propagation update and forecast… Solar activity is expected to continue at very low levels, with solar flux between 68 and 70 units, but again, the equal illumination of Planet Earth during the spring equinox will certainly improve short wave propagation during the next three to five weeks amigos… So, enjoy it !!!

See you all at the midweek edition of the program Saturday and Sunday UTC days… and don´t forget to send your signal reports , comments about the program and radio hobby related questions to arnie at rhc dot cu. Or VIA AIR MAIL to Arnie Coro, Radio Havana Cuba, Havana, Cuba


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