Site Map
Site Feeds
Pages
- Home
- “Wooden construction”
- 2018 Contest Report
- A Crystal Set
- A Short History
- A Short History of Radio (Part lll)
- A Short History of Radio (Part Vll)
- A Short History of Radio (Part V)
- A Short History of Radio (Part VI)
- A Short History of Radio Part 1
- A Short History Of Radio Part II
- A Short History of Radio Part IV
- Addendum to the article on the Klystron
- Aerial Feeders
- Aerial Gain
- Aerials
- Aerials and their Q
- Aerials for Circular Polarisation
- Amateur Radio Training
- Analogies in Electricity Part 1
- Analogies In Electricity Part 2
- Another experiment on Shortening the dipole
- Are you getting out? The Sniffer Box.
- Atmospheric Attenuation
- Baluns
- Capacitors (Part 1)
- Capacitors (Part 2)
- Christmas Tree Lights
- Coax – Does Size Matter?
- Coax Impedance – Power
- Coax Impedance Calculations
- Coax Impenance
- Componants
- Contact
- Derivation of Impedance for Minimum Loss
- Detailed mechanism of E-M radiation from a wire
- Earth
- Earth Image
- Epitaph
- Extreme Radiation
- Extreme Radiation
- Ferriteless Toroids
- Historic Electronics
- Home
- Impedance of Free Space (Part 3)
- Inductors
- Ionospheric Refraction
- John Welsh – Menu Map
- Lead Acid Batteries
- Loading of Aerials
- Low Frequency Aerials
- Magnetron addendum
- Monopole and Earth Image
- Off Centre Fed Aerials
- Operating
- Other
- Our Club
- Principles
- Propagation
- QRSS – Noise (Part 2)
- QRSS (Part 3)
- Remote Radios
- Resistance of the Water Main
- Resistors
- SAQ
- Scale; Some Numbers
- Shortening the dipole
- Skin Effect
- Slow Morse (Part 1)
- Solid State
- Standing Waves Part 1
- Standing Waves Part ll
- Tesla Etcetera (Part 1)
- Tesla Etcetera (Part 3)
- Tesla Etcetera (Part 2)
- Tesla Etcetera (Part 4)
- The dB
- The Dimmer Switch
- The Dipole
- The Electron
- The Evolution Of Morse Code In Radio Science
- The Impedance of Free Space (Part 1)
- The Impedance of Free Space (Part 2)
- The Impedance of Free Space (Part 4)
- The importance of a good Earth at the Lower Frequencies.
- The John Welsh Collection
- The John Welsh Collection
- The Klystron
- The Magnetron
- The Measurement of Earth Resistance
- The Microphone
- The Phase Locked Loop
- The Semiconductor Diode
- The Sun
- The Thermionic Diode
- The Thyristor
- The Transistor
- The Triode valve
- Thoughts on the Magnetic Field in a Toroid
- Thoughts on the Magnetic Field in a Toroid
- Thoughts On The Moon
- Transmission Lines
- Transmitter Impedance
- Traps In Aerials
- Units of Measurement
- Useful Filter for MF Listeners
- Wave Polarisation (Part 1)
- Wave Polorisation (Part 2)
Monthly Archives
- January 2021 (1)
- September 2020 (1)
- June 2020 (6)
- May 2020 (1)
- March 2020 (1)
- November 2019 (1)
- July 2019 (1)
- May 2019 (1)
- April 2019 (1)
- March 2019 (3)
- November 2018 (1)
- July 2018 (2)
- June 2018 (1)
- February 2018 (2)
- December 2017 (2)
- September 2017 (1)
- August 2017 (4)
- May 2017 (1)
- April 2017 (1)
- March 2017 (2)
- February 2017 (2)
- January 2017 (1)
- July 2016 (1)
- June 2016 (1)
- February 2016 (1)
- January 2016 (2)
- December 2015 (2)
- November 2015 (1)
- September 2015 (3)
- August 2015 (1)
- July 2015 (2)
- June 2015 (1)
- April 2015 (2)
- March 2015 (2)
- February 2015 (2)
Categories
- Club News (148)
- Contesting (11)
- Field Events (10)
- ISS (1)
- Meetings (105)
- Virtual VARC (1)
- Training (15)
- Interesting (12)
- In Our Area (7)
Top 20 Tags
All Articles
In January, Ron White G6LTT, the club’s district representative spoke at the club’s virtual meeting. He was joined by Terry
SOTA Radio Interview with VARC member.
VARC member Tim Price (G4YBU) took part in a radio interview on BBC Radio Surrey this morning discussing Summits on
Antenna Shootout 2020 – Peter (G0OIK)
Rhombic for 6m One thing I have fancied playing with for a long time is the Rhombic antenna. It has
Antenna Shootout 2020 – Roger (M0RBK)
The antenna consists of: 1:1 Balun Lengths of copper brake pipe approximately 1m long pipe and secured into grooves in
Antenna Shootout 2020 – Peter (G4HSO)
Years ago I bought a commercial but cheap HB9CV antenna for 6m. I think in terms of dB per gram
Every year Verulam Amateur Radio Club holds an Antenna ‘Shootout’ Contest. The idea is to get as many club members
Antenna Shootout 2020 – Peter (G3UHN)
The VARC Lockdown Challenge was to make a 6m antenna from materials found at the home QTH. No sneaking off
Antenna Shootout 2020 – Norman (G8ATO)
I’m entering the Verulam Amateur Radio Club aerial contest 2020. I’ve built a Delta loop with bits stored at the
Back In “radio science”, ‘Q’ stands for Quality factor. In a simple resonant or tuned circuit, (and indeed also in
Hello everyone, I am sure, like me, you have been following the news and government reports surrounding the coronavirus. While
Connect
Connect with us on the following social media platforms.