UK Microwave Group – Scatterpoint Microwave Newsletter – 2011



SCATTERPOINT – 2011

An Amateur Radio Publication for the Microwave Enthusiast


JANUARY

• Scatterpoint Subs & Distribution

• 28-47GHz Amplifier

• DXing on Lightwaves

• 2011 Contest Rules & Calendar

• New Squares Award

• New 87km Lightwave Record


FEBRUARY/MARCH

• Low Cost 14.4MHz TCXO

• 40Watt PA for 2.3GHz

• UKuG Online Contest Portal

• 24GHz – 579km FR-DL World Record

• 2.3GHz VK-ZL across the Tasman Sea

• Microwave Distance Records


APRIL

• Video Linked Azimuth Indicator

• Basic ADF4110 Lockbox

• More Lightwave records

• New German 76GHz record – 228km

• Beacon Upgrades

• Lowband Contest Results

MAY

• Don Hayter G3JHM SK

• 144MHz Source for Transverters!

• Look back at newsletters by Peter G3PHO

• Seigy 2011 Report

• Lightwaves challenge and new record

• First steps on 134 GHz


JUNE

• 10GHz power amplifier for beginners

• 15 element Yagi for 1090MHz ADS-B

• Mac software for radio

• Experimental YTO-based 10 GHz sweeper

• 134 GHz Transverter

• 24GHz EME Activity

JULY

• Silent Keys OZ8AFC, HB9QQ

• Powering a 28V Coaxial Relay from 12V

• 50MHz to 4GHz high dynamic range amplifier

• 1090MHz ADS-B Preamp with 1296MHz Notch Filter

• WR42/WG20 to WR28/WG22 transition for 24GHz

• RAL 2011 Information

AUGUST

• 30dB Power Attenuator

• 432MHz downconverter for the SDR-IQ

• RDDS Locking 3 x G8ACE Oscillators

• Optical (nanowaves) comms and definitions

• Finningley Round Table Weekend

• Surplus 3cm amplifier and filter


SEPTEMBER

• Using Horns on much lower Frequencies

• 30db Power Attenuator – a PS

• Leaky plumbing

• Microwave Power Meters & Accuracy

• Nanowave 46km 850nm contact

• Microwave Field Day 2011 Report

OCTOBER

• 78GHz and 122GHz in a single Transverter

• BXF Azimuth Rotator Controller

• UKuG at the RSGB Convention

• ARRL EME Contest

• Nanowaves Diary

• 135GHz, 243GHz and 324GHz in Australia


NOVEMBER / DECEMBER

• 5760MHz 7N2UO version of W2IMU horn

• 144–146MHz bandpass filter for the SPFAMP

• News from the “Big Dish” at Bochum

• How to be a Bad Morse Operator

• 1296MHz JT65 Experimental Beacon

• Scottish Microwave Roundtable