Monday, 16 May 2016

Jan, Feb, March





January – first time out and just about everything went well until I jumped out of the car to turn the antenna and walked straight into the horizontal pole on the roof-rack!!  Fortunately the glasses survived although the log sheets have blood stains.  So first lesson – try things out close to home so you can get rescued (or call an ambulance) if necessary.  I ended up with 50 contacts, 28 multipliers and 10th position – not a bad start.

February / March – icy, slippy and cold.  I’ve always owned cold weather kit but make sure you are prepared.  It’s surprising how much cooler and windier it can be at the top of a hill so wear layers and waterproofs and a good warm hat.  Feb - 54 contacts, 26 multipliers, 7th place

March –  After February’s contest I was unhappy tuning speed of the IC706, you just can’t get up and down the band to search and pounce.  So I pulled the original HGT system out of the loft: IC735 and a homebrew transverter.  Side by side with the 706, receive performance on a weak GB3VHF beacon was very similar and a good 10W output available on transmit.  However, for the March contest, things were not quite right with horribly distorted locals being received.  I was able to get the transverter onto some good test kit at work revealing an oscillating input amplifier.  A quick re-build was required to calm down the BF981.  While sorting the preamp, I also noticed a 5V regulator was getting very hot and this was being caused by a 20 year old tantalum capacitor failing short circuit.  The regulator was preventing the tant from getting enough energy to go bang and was still outputting 5V.  Third lesson – check your kit properly at home before going out portable!!  March - 59/32/5th

No comments:

Post a Comment