Monthly Archives: November 2011

How To Program A Serial Bluetooth Module

This gallery contains 9 photos.

As a followon to my Bluetooth CAT interface here, John G8DZH asked me how I programmed the serial Bluetooth module. This has to be set to the correct baud rate before pairing with the PC. A USB to serial TTL … Continue reading

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Testing Main Aerials at G0VEH’s

This gallery contains 5 photos.

 The situation I have for some time had a suspicion that my aerial, a 60’ doublet, fires my RF in an east – west direction. The aerial lies in a plane north – south at about 25’ at one end … Continue reading

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The G3TXQ Designed, MW0JZE Manufactured, 20-6m Broadband Hexbeam

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The G3TXQ designed, MW0JZE manufactured, 20-6m Broadband Hexbeam. A redesign of the Mike Traffie (Traffie Technology) HEXBEAM Price £500 Website http://www.g3txq-hexbeam.com What is it? Basically this is a number of boomless 2 element wire Yagis supported by fibreglass spreader arms … Continue reading

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Yaesu 897 / 857 / 817 Bluetooth CAT Dongle

This gallery contains 13 photos.

This project provides a wireless CAT control to my Yaesu 897 and uses a serial Bluetooth module from eBay.  I got the design and schematics from  http://www.lynovation.com/CTR-Remote.htm.  The software is for the PC and pocket PC and donation ware.  The … Continue reading

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Kempton Park Rally 6 November 2011

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The November Kempton Park Rally, for me, marks the end of the ‘season’.  A chance to meet up with old acquaintances, fellow LEFARS members and buy a few bits and pieces. (see RadioFairs website here for more info). I went … Continue reading

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9:1 UnUn Project

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This project was a commission on behalf of Frank M1CPD who required a long wire UnUn. Perhaps better known as a Magnetic Longwire Balun, it is an impedance transformer whose purpose is to feed a high impedance long wire from … Continue reading

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Derek M0XDC Builds the 40m QRSS Transmitter Kit

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I have started to build the 40 meter QRSS  transmitter. Also purchased at the same time the 30m kit. Both were £10 each plus shipping.  The kits were ordered from Hans Summers G0UPL  http://www.hanssummers.com/qrsskit.  More photos from the QRSS tx … Continue reading

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Cretan Blog – November 2011

Hello again from a pleasantly mild Crete. With Autumn arriving we do get the odd shower or heavier burst of rain now and again but overall the WX remains good. This good WX often runs on up until Christmas despite … Continue reading

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