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Setting up an FT-70D
How to Anytone 878 UV II Plus
Operating From Martinique In The Caribbean
Operating
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Morse Code
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On Air
Satellite Group
SSTV
WSPR
Contesting
Contest setup – SSB
Autumn Series
CQ WW SSB
Club Calls (160m) Contest
CQ WW CW
Ham Related
RX – SAQ
Propagation
Cabin Bookings
The John Welsh Collection
Introduction
Menu Map
A Short History Of Radio
A Short History of Radio Part 1
A Short History Of Radio Part II
A Short History of Radio (Part lll)
A Short History of Radio Part IV
A Short History of Radio (Part V)
A Short History of Radio (Part VI)
A Short History of Radio (Part Vll)
Historic Electronics
Tesla Etcetera (Part 1)
Tesla Etcetera (Part 2)
Tesla Etcetera (Part 3)
Tesla Etcetera (Part 4)
The Thermionic Diode
The Triode valve
The Klystron
Addendum to the article on the Klystron
The Magnetron
Magnetron addendum
Principles
Analogies in Electricity Part 1
Analogies In Electricity Part 2
Scale; Some Numbers
A Crystal Set
The Electron
Wire Baluns (Part One)
Wire Baluns (Part Two)
Transmitter Impedance
The ‘Q’ of a Tuned Circuit
The Phase Locked Loop
The dB
Units of Measurement
Lead Acid Batteries
The Microphone
Thoughts on the Magnetic Field in a Toroid
Components
The Transistor
The Semiconductor Diode
Capacitors (Part 1)
Capacitors (Part 2)
Resistors
Inductors
Ferriteless Toroids
The Thyristor
Aerials
Aerial Gain
The Dipole
Low Frequency Aerials
Shortening the dipole
Another experiment on Shortening the dipole
Off Centre Fed Aerials
Aerials for Circular Polarisation
Loading of Aerials
Traps In Aerials
Wave Polarisation (Part 1)
Wave Polorisation (Part 2)
Aerials and their Q
Monopole and Earth Image
Detailed mechanism of E-M radiation from a wire
Feeders
Aerial Feeders
Coax – Does Size Matter?
Coax Impedance Calculations
Coax Impedance – Power
Derivation of Impedance for Minimum Loss
Skin Effect
Standing Waves Part 1
Standing Waves Part ll
Transmission Lines
Earth
Earth Image
The Measurement of Earth Resistance
The importance of a good Earth at the Lower Frequencies.
Monopole and Earth Image
Operating
Are you getting out? The Sniffer Box.
The Evolution Of Morse Code In Radio Science
Slow Morse (Part 1)
QRSS – Noise (Part 2)
QRSS (Part 3)
Q Codes
Other
Atmospheric Attenuation
The Impedance of Free Space (Part 1)
The Impedance of Free Space (Part 2)
Impedance of Free Space (Part 3)
Impedance Of Free Space (Part 4)
Useful Filter For MF Listeners
The Dimmer Switch
Extreme Radiation
Ionospheric Refraction
Resistance Of The Water Main
Wooden Construction
SAQ
Thoughts On The Moon
Christmas Tree Lights
Thoughts on the Magnetic Field in a Toroid
Epitaph
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Home
Club News
Membership
History
RSGB
Facilities
The Cabin
Directions to the cabin
General Operating
Remote Radio
MB0TEN
GB7HA
GB7VR
GB3VR
MB7IVR
MB7UO
Activities
Past Meetings
Skeds
On Air
Setting up an FT-70D
How to Anytone 878 UV II Plus
Operating From Martinique In The Caribbean
Operating
Band Plans
Morse Class
Morse Code
FM Repeater Setup
On Air
Satellite Group
SSTV
WSPR
Contesting
Contest setup – SSB
Autumn Series
CQ WW SSB
Club Calls (160m) Contest
CQ WW CW
Ham Related
RX – SAQ
Propagation
Cabin Bookings
The John Welsh Collection
Introduction
Menu Map
A Short History Of Radio
A Short History of Radio Part 1
A Short History Of Radio Part II
A Short History of Radio (Part lll)
A Short History of Radio Part IV
A Short History of Radio (Part V)
A Short History of Radio (Part VI)
A Short History of Radio (Part Vll)
Historic Electronics
Tesla Etcetera (Part 1)
Tesla Etcetera (Part 2)
Tesla Etcetera (Part 3)
Tesla Etcetera (Part 4)
The Thermionic Diode
The Triode valve
The Klystron
Addendum to the article on the Klystron
The Magnetron
Magnetron addendum
Principles
Analogies in Electricity Part 1
Analogies In Electricity Part 2
Scale; Some Numbers
A Crystal Set
The Electron
Wire Baluns (Part One)
Wire Baluns (Part Two)
Transmitter Impedance
The ‘Q’ of a Tuned Circuit
The Phase Locked Loop
The dB
Units of Measurement
Lead Acid Batteries
The Microphone
Thoughts on the Magnetic Field in a Toroid
Components
The Transistor
The Semiconductor Diode
Capacitors (Part 1)
Capacitors (Part 2)
Resistors
Inductors
Ferriteless Toroids
The Thyristor
Aerials
Aerial Gain
The Dipole
Low Frequency Aerials
Shortening the dipole
Another experiment on Shortening the dipole
Off Centre Fed Aerials
Aerials for Circular Polarisation
Loading of Aerials
Traps In Aerials
Wave Polarisation (Part 1)
Wave Polorisation (Part 2)
Aerials and their Q
Monopole and Earth Image
Detailed mechanism of E-M radiation from a wire
Feeders
Aerial Feeders
Coax – Does Size Matter?
Coax Impedance Calculations
Coax Impedance – Power
Derivation of Impedance for Minimum Loss
Skin Effect
Standing Waves Part 1
Standing Waves Part ll
Transmission Lines
Earth
Earth Image
The Measurement of Earth Resistance
The importance of a good Earth at the Lower Frequencies.
Monopole and Earth Image
Operating
Are you getting out? The Sniffer Box.
The Evolution Of Morse Code In Radio Science
Slow Morse (Part 1)
QRSS – Noise (Part 2)
QRSS (Part 3)
Q Codes
Other
Atmospheric Attenuation
The Impedance of Free Space (Part 1)
The Impedance of Free Space (Part 2)
Impedance of Free Space (Part 3)
Impedance Of Free Space (Part 4)
Useful Filter For MF Listeners
The Dimmer Switch
Extreme Radiation
Ionospheric Refraction
Resistance Of The Water Main
Wooden Construction
SAQ
Thoughts On The Moon
Christmas Tree Lights
Thoughts on the Magnetic Field in a Toroid
Epitaph
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