SCATTERPOINT – 2004 An Amateur Radio Publication for the Microwave Enthusiast JULY / AUGUST From the Editor – G3PHO Ham Radio 2004 – G4KLX Threats to Amateur Microwave Services – G3PFR 144MHz Direct Conversion I/Q Receiver for SDR AD9852 DDS Module Controller Software – G4JNT Martlesham Round Table News SEPTEMBER SSETI Express Amsat Transponder Tweaking Ceramic Filters G4JNT DDS kits – an update Using 24V relays on 12V supplies Threats to the Amateur Microwaves (part 2) Simple Diode Detector / Power Meter OCTOBER 2004 Martlesham Programme Microwave Update 2004 HEMT preamp for 1.3GHz G2DSP – Silent Key Noise Figure Internet resource Weinheim 2004 – G4KLX reports NOVEMBER / DECEMBER 47GHz Circular Waveguide to N adapter Beacon & Repeater News 2004 Martlesham Round Table Report UK Microwave Group Annual Reports Improving a dual band 10/24GHz feedhorn 5.7, 10, 24 & 47GHz Cumulatives Results