Author Archives: M0TAZ

About M0TAZ

Dave enjoys all aspects of the hobby from contesting in a wet cold field (OK enjoys is a bit strong) to building beams and working big DX. Portable VHF and HF can provide lots of opportunity to try new things, test out antenna and enjoy a field day based curry.

144 MHz Low Power VHF

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This weekend saw the 144 and 432 MHz low power contest. In this case low power means anything up to 25w from the transmitter. Using a 12m mast and the 9e portable Tonna beam I took part in the first … Continue reading

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144 MHz UKAC Alfresco operating.

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Operating report from the Tue evening 144 MHz UKAC. This event runs from 20:00 Hrs to 22:30. Further details can be found on the RSGB VHF pages. The idea of the event is to promote activity and club participation on … Continue reading

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Working VHF portable from the Peak District

John M0UKD and myself decided it would be fun to work a few in the VHF NFD from Mam Tor at 517m ASL. Using John’s FT 897d and 20w battery power and his 6e homebrew PEGTENNA. The walk is quite … Continue reading

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21 MHz 4e Beam Part #3

The LEFARS radio event over the BH weekend 23/24/25 May provided the ideal opportunity to test the beam. George M1GEO and Chris G8OCV provided the 12m Scam mast and so the fun began. The club operated from a farm site … Continue reading

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Homebrew 21 MHz 4e Beam Part #2

Now the exciting phase, nearing the end and a moment to complete the final stages. Construction of the matching section, and mounting the driven element.  The antenna feed point is 28 Ohm, and the method of feeding the antenna is … Continue reading

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Homebrew 21 MHz 4e Beam Part #1

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Months ago I ordered some aluminium in preparation for another antenna project.  Wtih the assistance of John M0UKD the plan was to build a 21 MHz 4E Yagi. The aluminium was ordered from aluminium warehouse, and cost around £100 including delivery. … Continue reading

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Vertical Antenna Experiments

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I recently decided to purchase a remote matching unit, I had been looking for one for a while. The only options I have previously seen  included the name MFJ, and I was therefore keen to see who else was in … Continue reading

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The Birth of a New Digital Mode. SIM31

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Read the article on how the mode invented by Nizar Ben Rejeb was developed, and the advantages it has over traditional PSK31. The article is available to read online. You can download a free copy of the program, and read more … Continue reading

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Quadcopter view of M0TAZ/P VHF

Ever wondered what the view is like from 50m while operating portable. This could be the answer to you question… Click on story to view video. Portable views from the Quad

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Portable in the RSGB Christmas Cumulative

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Location portable in JO01CM, ASL 20m, Operating time 2 Hrs, Temp +1C Operating alfresco in the UK Christmas Cumulative Contest with John M0UKD from Hornchurch Country Park. Located in JO01 at a height of just 20m ASL. Using a Icom … Continue reading

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