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Friday 7 September 2007

How to convert a 4 wheels into ham radio station radio multi-bands in 20 minutes

It's while TO1USB activation in Guadeloupe, where I could test in real conditions the setting of a portable ham radio station that I wanted QRV on 50MHz, 28MHz, 21MHz, 14MHz, 144MHz, 432MHz only on USB mode.

Not so easy in portable on a island between compromise of easy to travel and antenna performances. For the transceiver, no problem, the ICOM 706 MKIIG is a real good rig to operate quickly on 6 bands with 100 Watts from 14Mhz to 50Mhz, small and easy to carry out.

To return to the antenna question I need to be QRV on 6 bands HF+VHF+UHF but especially be able to assembly and disassembling antenna quickly and even for a single person alone to do it.

Here is what looks like the final result and solution found:

- 1 mast of 7 meters, elements of 40cm of diameter and 2m and 1m length - QSJ 15€ by elements
- 1 vertical antenna ITA tri-bands with wire radians, 1 per band: 14MHz, 21MHz and 28MHz, Gain 2dB - QSJ 150 €
- 1 vertical Diamond Tri-bands on 50MHz, 144MHz, 432Mhz, Gain:10dBi - QSJ 100 €

I was on the coasts of Saint-François towards La Pointe des Chateaux in east of guadeloupe island that offers good conditions for DX, the large-ground being a calcareous plate, and in addition with the sea in edge of beach offering a very good plan of ground.

The key is in the 4 wheels vehicule.

It's by examining the 4 wheels that the solution was found, in the simplest possible way: the clamp of the door spare wheel like support of the antennas.

Then it was very easy to find a TV adaptator support for about 20€ at a local store, and get a solid fixing for antenna.

The spare wheel is also very useful in the assembly, by using it like arm of lever to assemble and dismount the 7 meters from ground antenna support, even being alone to do it.

Lastly, it remains to attach the 3 wire radians which are used to solidarize the unit in particular when there are some wind, very often at this period of the year in guadeloupe island because of the hurricane season.

Here is the arrangement adopted in the 4 wheels to preserve sitted places and succeed to put everything in the car:

Some results, nearly 500 DX QSO were realized with nice report of 59 in Europe, not so band with 100 Watts, vertical antenna and especially in the very lowest of the solar cycle whose return is envisaged as of January 2008.

We have improved antenna sand installation, with the great help of Léontel and Jean-Michel, in the heights of Deshaies (Basse-Terre), 12 hours before the Dean Tropical depression. We follow evolution of Dean in real time on cellular thanks to SXM Cyclone services and also on air thanks to local ham radio during all the activation.

Everything was ok for both all 3 of us and the equipement, the DX conditions was great like we expect just before Dean and return very low after Dean for few days, also due to the hight volume of rain after a cyclone.

Thanks all for QSO, and QSL, the first one was send this week.

73 de F1JXQ - past TO1IUSB

Sunday 2 September 2007

TM0RWC World cup of Rugby 2007 Contest in France

The World cup of Rugby 2007 proceeds this year in France and, on this occasion, the Ref-Union agreed to promote our activity within the framework of this sporting event.

World cup of Rugby 2007 TM0RWC Contest have received several projects of activation for this World cup, the REF-Union named F5UDW coordinator of this activity DCMR (Diploma World cup of Rugby). The project of the ARALA (Association of the Radio hams of Loire-Atlantique) was adopted, F5UDW thus directed all Om having good ideas towards Rene F5APM responsible for this project.

A special callsign will be activated in each city where the matches of Rugby will proceed:

• TM0RWC Saint-Denis (93) for the stage where the final - Stage of France will be played

• TM1RWC Paris (75) for the stage where the 3°place - Park of the Princes will be played

• TM2RWC Bordeaux (33)

• TM3RWC Lens (62)

• TM4RWC Lyon (69)

• TM5RWC Marseilles (13)

• TM6RWC Montpellier (34)

• TM7RWC Nantes (44)

• TM8RWC Saint-Etienne (42)

• TM9RWC Toulouse (31)

Calendar of these activations:

TM0RWC: 7 and 8/09, 13 and 14/09, 20 and 21/09, 6 and 7/10, 12, 13 and 14/10, 18, 19 and 20/10

TM1RWC: 8,9 and 10/09, 18,19 and 20/09, 27/09 to the 01/10, 18, 19 and 20/10

TM2RWC: 8,9 and 10/09, 14,15 and 16/09, of the 24/09 to the 01/10

TM3RWC: 7,8 and 10/09, of the 17 to the 27/09

TM4RWC: from the 7 to the 20/09

TM5RWC: 7 and 8/09, 11 and 12/09, 21 and 22/09, of the 30/09 to the 02/10, the 05 to the 09/10

TM6RWC: from the 11 to the 17/09, the 21 to the 24/09, the 30/09 to the 02/10

TM7RWC: from the 08 to the 11/09, the 20 to the 29/09

TM8RWC: from the 08 to the 12/09, the 25/09 to the 03/10

TM9RWC: from the 11 to the 17/09, the 23 to the 29/09

OPERATION AND QSL.

The World cup of Rugby 2007 Diploma is opened to all the radio hams and SWL, throughout World cup of Rugby 2007, i.e. of September 7 00h00 to October 20, 2007 24h00.

• the QSO are realizable on all bands and modes of transmission regularly allotted to the radio hams. ECHOLINK are excluded.

• To obtain the diploma QSL (financed by the Ref.-Union), follow the instructions of each operator of the participating cities to know the QSL Manager.

• Each callsign will be activated during 14 days distributed over all the duration of the CMR and according to the calendar above.

CONDITIONS Of OBTAINING DIPLOMA World cup of Rugby 2007

The Diploma QSL Manager is F5IL. To require the diplomas the QSL are not necessary, only an extract of the notebook of traffic is required. The requests will have to arrive at the Diploma Manager before end on December 31, 2008 and to mention the name and first name of the applicant, his call sign and the address where he wants to receive the diploma of the World cup of Rugby. Join 7 € (10 $ or 10 IRC) to your request, to cover the costs of impression and dispatch.

For each diploma it will be necessary to contact:

Diploma CMR Gold: the 10 TMxRWC stations. Diploma CMR Money: 8 TMxRWC for the stations of Europe and 5 for the others. Diplôme CMR Bronzes: 5 TMxRWC for the stations of Europe and 3 for the others. Diploma CMR VHF: 3 TMxRWC

Address Diploma World cup of Rugby 2007 Manager :

Ref-union, Service of the Diplomas, BP 77429, 37074 - Tours Cedex 2 FRANCE

Official international website fo the World Cup of Rugby 2007 : http://www.rugbyworldcup.com/

Source : http://www.passion-radio.org/blog/tm0rwc-coupe-du-monde-de-rugby-2007/293

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