SCATTERPOINT – 2023 An Amateur Radio Publication for the Microwave Enthusiast JANUARY Inverter Drive for AC Rotators Phase-modulated source for 30THz Low Cost Microwave Spectrum Analyser HB100 Oscillator New UK Record of 51.9km on 122 & 134GHz Fog and Mist on 10GHz FEBRUARY UK Microwave Group AGM Calling Notice History of the FRARS Microwave EME System Lithium-ion Batteries for Portable use Waveguide for mmWave bands – Part-3 A Word of Warning re 3.4GHz PAs Micromeet 2023 report MARCH Simon Freeman G3LQR SK UK Microwave Group AGM Minutes 2023 Portsdown Noise Figure Meter Starting out on 10GHz Beacon and SDR News Seigy 2023 VHF/UHF/Microwave Event APRIL/MAY Martin Richmond-Hardy, G8BHC SK Martlesham Round Table 2023 Report 24GHz passive reflector experiment Millimetre Operating Frequencies French Microwave Questionnaire UKuG 2023 Microwave Contests/Calendar JUNE OK1FPC 10GHz Transverter Review A Quick look at the ProgRock2 2023 RAL Microwave Roundtable report Finningley Round Table 2023 Activity reports June 2023 Lowband Contest Results JULY GB3KBQ 10GHz Beacon Moves Home 76GHz Loan System Mixer Repair Tech Support in Wales Finningley Round Table 2023 report 30THz Rx using a reflecting telescope Latest 122 / 134GHz VK Boards AUGUST Synthesiser Phase Noise Measurements 76GHz Loan System Mixer Repair – 2 CAT Display for FT817/818/857/897 10GHz Contact with OE5VRL Activity News August 2023 Scottish & Midlands Roundtables SEPTEMBER Elcom Synthesiser Programming 10GHz BSB Squarial Antenna 10-12.5 GHz to 40-50 GHz Quadrupler 5.7 GHz Receiver 10GHz October Heatwave Conditions Frequency changeover for the VK 122/134GHz board OCTOBER 30THz Tx using 2-PSK QRSS-CW source WB-SG2-8G Signal Generator 24GHz – My Journey so far ESA Geo Satellite Proposal UK Microwave Group Contest Ladder millimeet Microwavers in EA3 NOVEMBER/DECEMBER 100mW Driver Amp for 10 GHz WRC-23 23cm Summary Report 24GHz My Journey so far – continued Out and About on 10GHz DU3T 24GHz Pre-Amplifier Review 240GHz Combined Tx/Rx chip