radio and rf

HackRF One Shielded Case Installation

01 AUGUST 2015

In 2014 we purchased a HACKRF One SDR radio and quickly found that the receiver was being swamped with local interference from nearby transmitters and other equipment. We installed the optional HACKRF EMI Shield which...

HackRF One SDR EMI Shield installation

23 MARCH 2015

In September 2014 I pre ordered a HackRF One SDR radio from Passion Radio Shop and on the 13th March 2015 it arrived! Initial testing with the HackRF showed that it was being swamped with external RF from nearby transmitters....

Cateye Micro Wireless Bike Computer interference

09 NOVEMBER 2014

We recently purchased a pair of Specialized Crux E5 cyclocross bikes from Primera Sports in Bournemouth which we plan to use for longer road rides and some off road and keep our full suspension mountain bikes for just off...

Mastervolt Soladin RF Filtering

04 SEPTEMBER 2014

Following from the Mastervolt Soladin 600 Inverter RF Interference post about the major RF interference problems generated by the Mastervolt Soladin 600 tie-in mains inverter we have now resolved the RF interference by...

Powerpole Fused Distribution Board

09 JULY 2014

We use Anderson Powerpole connectors (http://www.powerwerx.com/anderson-powerpoles/) on our ham radios and other 12 volt accessories in the house and we had always used leaded plugs connecting to a central point with inline...

Variable RF Signal Sampler

16 JANUARY 2014

One of my hobbies is Amateur (Ham) radio and it is useful to be able to check the outputs on the radios transmitters to check that the signal is transmitting on the correct frequency and not causing spurious frequency...

Cental Heating Control via Windows Phone and Raspberry Pi

10 JUNE 2013

I have now finished working on the mobile app for the Raspberry Pi controlled central heating controller. This is following from the www.briandorey.com/post/XBee-Central-Heating-Control-via-Raspberry-Pi blog post which detailed...

Kent Hand Morse Key Restoration

29 APRIL 2013

I had been looking for a Kent hand key from eBay for some time as I plan to try to learn CW (Morse) to use with my Yaesu FT817 on the HF bands. As the Kent keys are around £100 new I thought that a used one would be a good...

Yaesu FT 817 Cat Control Headaches

23 JANUARY 2013

After treating myself to a new Yaesu FT 817 HF, 6m, 2m & 70cm transceiver, I also ordered a CAT to USB control cable from Radioarena (Yaesu USB Programming / CAT Cable for FT-100 / 817 / 857 / 897) which arrived 8 days...

RF Shielding on a Mains Inverter

19 SEPTEMBER 2012

The mains inverter we have for our solar system generates a lot of RF interference on our ham radio transceivers and also across the entire HF spectrum. The inverter body has plastic ends and very little filtering for the...

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About Me

Brian Dorey

Welcome to my blog, here you will find my projects and other things.
I make websites and manufacturer and sell expansion boards for the Raspberry Pi range of computers.

AB Electronics Raspberry Pi shop

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