Dxers Unlimited weekend edition for Sunday 11 NOVEMBER 2018

By Arnie Coro
radio amateur CO2KK

Hola amigos… this is Dxers Unlimited’s weekend edition… I am your host Arnie Coro , Radio Amateur CO2KK, and here is item one…

NICE INFORMATION about worldwide activity of amateur radio stations that will be active during the following days, with some of them extending the operation for several months…. Here is a partial list provided by the USA American Radio Relay League most recent good news….

DX News from the ARRL 9 November, 2018

Operating from SRI LANKA,  prefix 4S. Peter, DCØKK is QRV as 4S7KKG from Moragalla, IOTA AS-003, until April 1, 2019. Activity is on the HF bands using mainly CW and various digital modes. QSL via the log book of the world also known as LoTW.

MADAGASCAR, prefix 5R. Andy, OE7AJH and Thomas, OE7KUT are QRV as 5R8UP from Antananarivo, IOTA AF-013, until November 13. Activity is holiday style on 40 to 10 meters, and possibly 80 meters, using CW and SSB, and mainly during their local morning and evening hours. QSL via OE7AJH. In addition, Eric, F6ICX is QRV as 5R8IC from Saint Marie Island, IOTA AF-090, until mid February 2019. Activity is holiday style on 40 to 10 meters using mainly CW, with some SSB, RTTY, and PSK63. QSL to home call.

UGANDA, prefix 5X. Alan, G3XAQ will be QRV as 5X1XA from November 15 to 27. Activity will be on the HF bands. This includes being an entry in the upcoming CQ World Wide DX CW Contest as a Single Band/Unassisted on 20 meters entry. QSL to home call.

ALGERIA, prefix 7X. Some members from the Algerian Radio Amateur Union are QRV with special event station 7V1N from Djelfa until November 20. QSL via operators’ instructions.

MALDIVES,  prefix 8Q. Braco OE1EMS, will be QRV as 8Q7DX from South Male Atoll, IOTA AS-013, from November 10 to 25. Activity will be holiday style on 160 to 10 meters. This includes being an entry in the upcoming CQ World Wide DX CW contest. QSL to home call.

And a last chance to work a french special event station FRANCE, F. Special event station using callsign TM100ARM is QRV until November 12 in commemoration of the 100th anniversary of the end of World War I. QSL via F5IQG.

Si amigos this is Dxers Unlimited’s weekend edition coming to your radio or Internet link connection from sunny beautiful La Habana Cuba soon to be celebrating the 499’s anniversary of its foundation, Yes, next year 2019 La Habana will be 500 years old. And yes it has an amateur radio club in each of its municipalities that will be participating soon in support of the Habana Marathon competition by providing instant communications on the 2 meters amateur band all along the Marathon route….

More active amateur radio stations challenging the poor HF propagation conditions…

from ENGLAND. Members of the Royal Navy Amateur Radio Society are QRV with special event station GB1ØØARM until November 28 in commemoration of the 100th anniversary of the end of World War I. QSL information via GØTOC.

And from Italy using a United Nations prefix 4U ITALY, I. Members of the Amateur Radio Club at the United Nations Global Service Centre in Brindisi are QRV as 4U73B until November 23 to commemorate the 73rd anniversary of the founding of the United Nations. Activity is on 160 to 10 meters. QSL via 9A2AA.

EUROPEAN RUSSIA, UA. Special event stations R13ØANT and R13ØTU are active until the end of November to celebrate the 130th birthday of pioneer aircraft designer Andrei Nikolayevich Tupolev. QSL via UA3IIZ.

Si amigos, thousands of amateur radio stations from all around the world are expected to be active during the CQ Worldwide CW Contest [0000Z, Nov 24 to 2400Z, Nov 25]… including several well experienced teams of operators from Cuba, that will be using the T4 , tango four prefix, preserved here for special events stations…

Due to the expected bands conditions my forecast is that activity will be concentrated on the 20, 40 and 80 meters bands, with less contacts possible on 15 and 10 meters. For those stations capable of operating on 160 meters from nice low radio ambient noise locations, where the large size antennas required for that band can be installed the propagation  conditions are expected to be better than during last year’s contest.

Stations located inside the areas covered by TEP, Trans Equatorial Propagation, events will be able to add many points and multipliers… For example Cuban contest stations will be scanning 10 meters to pick up signals from Argentina, Uruguay, Paraguay and Chile. Contest operators that use the 10 meters band have learned how to monitor the many automatic beacons operating on the segment from 28 point two to 28 point three megaHertz.

This is Radio Havana Cuba , the name of the show is Dxers Unlimited and here is our next radio hobby related information.

For those of us that live North of the Equator, one of the most interesting effects of winter propagation is a consequence of the contraction  of  the ionosphere… that causes a decrease  at night  of the maximum usable frequency for any given path after local sunset…One can witness the maximum usable frequency nose diving below even the seven megaHertz or 40 meters amateur band, and on some occasions the ionograms will show that the lower layer of the ionosphere will not support communications on frequencies above 6 megaHertz.

Yes , let me warn you that at times during solar minimum years, during the winter season  the maximum usable frequency at night may drop even below the six megaHertz band amigos !!!

See you all at the middle of the week edition of Dxers Unlimited, that will be on the air just after the half hour news service. Send your signal reports and comments about this and other Radio Havana Cuba programs to inforhc at enet dot cu, again inforhc at enet cu and Via Air Mail to Arnie Coro, Radio Havana Cuba, Havana Cuba….

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