Search results
Query: UK
Links: 748 | Categories: 7
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How to make a half l or quarter l coax cable for a specific frequency -
A magnetic longwire unun with a T130-2 Iron Powder core by M0UKD -
An home made Butternut HF9V clone antenna by OH2GVB -
Six metre enthusiasts might like to experiment with this ‘Zig-Zag’ four-element vertical for lofts. Brian Williams, GW0GHF -
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Free programming software for various of the MicroChip PIC series of micro-controllers by Nigel Goodwin -
60KHz to 60MHz. laboratory quality Vector Network Analyzer project -
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Amateur radio-telescope project of a retired seafarer. -
Rotator Controller Using Arduino and PstRotator project by G4HSK -
Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK -
A range of easy-to-build RFI filters by John Regnault, G4SWX -
UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers. -
In this youtube video G8GKC M0KKW and 2E0IAJ from Icom UK give a global overview of the ICOM IC-7300 HF 50 70MHz Software Defined Radio transceiver -
An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD -
Optimizing the ZS6BKW antenna for full HF band coverage often requires specific modifications beyond its standard configuration. This resource details several enhancements, beginning with a simple series capacitor to improve 80m SWR, a technique W5DXP found effective for permanent installation due to its minimal impact on higher bands. Further improvements include a 10-inch parallel open stub for 10m resonance, shifting the frequency to 28.4 MHz with an SWR of approximately 1.8:1, a practical solution for Technician class operators. The document then explores a switchable matching section, adding or subtracting one foot of ladder line at the 1:1 choke-balun, which significantly impacts higher frequency bands and eliminates the need for a tuner on 17m. W5DXP's _AIM-4170D_ antenna analyzer measurements confirm these effects. More advanced modifications involve a parallel capacitor for further 80m SWR reduction, requiring remote switching for multi-band operation, and relay-switched parallel capacitors at specific points on the 450-ohm matching section to achieve low SWR on 60m, 30m, and 15m. These detailed steps, including _Smith chart_ analyses for the challenging bands, aim to transform the ZS6BKW into a truly all-HF-band antenna, reflecting W5DXP's practical experience in antenna tuning. -
Article showing how I've made a mains filter to reduce EMC in the electricity supplying my shack. I've used a type 31 Fair-Rite ferrite core and the video shows how this performs on 160m through to 40m. -
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An Arduino TNC modem project based on KI4MCW source code with pictures and schematics -
The antenna is a VHF side is a 2m moxon, tuned on 145.825 MHz. The driven element of the moxon couples to a driven element for a 5 element 70cms Yagi, tuned on 436.5 MHz. -
Pirate radio recordings, addresses, links and QSLs -
About the clemens match for beam antenna, as an alternative to common gamma matching techniques -
A Compact 8877 50MHz amplifier and Power supply -
The skeleton slot antenna design was developed in the UK for TV use soon after WW2. This document describe and adapted version for the 2 meter band -
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The 1960s mobile/base antenna returns, double G Whip for base use. -
UKSMG news, message board, and articles dedicated to encouraging amateur radio on 50MHz around the world. -
New Mexico's largest Amateur Radio gathering. Lots of buying and selling of ham radio equipment and great activities. -
UK dealer for pmr audio accessories, batteries and cases, audio accessories and airwave tetra products -
An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m -
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Carry a small stock of new and reconditioned parts for both rotators and control boxes for the following makes: CDE/HYGAIN , YAESU , STOLLE. -
Summary of discussion on stacking antennas on six meter band -
reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequency -
List of european vhf uhf beacons by G4URH -
Club in Stoke On Trent, England specialising in training for all classes of Amateur licence in the UK. -
Calculating HF helical whip antenna for mobile or portable operation -
Summits on the Air is an exciting new award scheme for radio amateurs which encourages operation in mountainous and wilderness areas. The sceme is designed to grow into an international awards. -
Useful exercise sheet to learn morse code reception. In A4 format PDF File, it contains groups of 5 characters commonly used while learning morse code reception. -
Baluns are still a mystery to some radio amateurs and the only way to understand them is to learn what they are and how to use them. -
The Internet's most up-to-date list of UK radio stations simultaneously broadcasting on the web. -
This is a SSB and CW transceiver for the 80m and 20m bands. It produces 25 Watts out and uses a digital frequency display. -
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Specialise in the restoration and sale of vintage valve and transistor radios made from 1930 through to 1975 -
MUlti mode digital signal decoder software capable or C4FM D-Star decoding, a guide to compile and install DSD -
Review by Clive Davies, G4FV -
Amateur Television products, online store for ATV transmitters receivers, LCD controllers, wireless cameras, video senders, accessories, power amplifiers based in UK -
An efficient monoband end-fed half wave for 10m, 20m or any other HF band -
The 80m TX described here is the well known ON7YD ATX-80 and timer, combined and re-engineered to fit a readily available enclosure by G3ZOI -
Located in the centre of the UK with good grade aluminium,