G4NSJ Amateur Radio Site Directory

LATEST ADDITIONS

Marconi CR300

Wireless Set No B44

Superhet & straight receivers

Wireless Set No 88

How does an ATU work?

Dipole Calculator

Weather and Conditions

Baofeng UV-5RH handheld transceiver

Baofeng UV-5RH

Wireless Set No 38

Wireless Set No 12

Wireless Set No 62

Wireless Set No 22

30 Metres

17 Metres

15 Metres

20 Metres

Pye Wireless Set C12

Wireless Set No 52

QRZ Book

MY QRZ LOG BOOK

My QRZ Log Book

MY X TWITTER FEED

G4NSJ X Twitter feed

GWM RADIO

GWM Radio Worthing

Recollections of GWM Radio and the 1960s V* 

HF AERIALS

A 5/8th wave 20 metre vertical

10 and 12 metre aerials
The Sigma Venom

Antenna switch for short wave listening V*

Beverage aerial

Carolina Windom

Coax fed HF aerials

Delta Match aerial

Doublet aerial V*

End-fed aerials

End-fed wire for top band 160 metres V*

End fed Zepp

Grounded loop aerial

HF dipole aerials

HF Fan dipole aerials

Insulators for wire aerials

Log periodic antenna

Long wire antennas

Medium & long wave Ferrite Rod aerials

Medium Wave frame aerials

Solarcon Antron A99 vertical A*

A vertical for 20 metres

DIPOLE CALCULATOR

Dipole Calculator

ANTENNA FEEDERS

Balanced feeders

ATUs – AMUs

How does an ATU work?

Aerial Tuning Units 2 x V*

A QRP HF ATU

SWR Reflections By: M. Walter Maxwell
(links to external site)

RF METERING

The Rapid Bandchecker absorption wavemeter

An RF Ammeter

An RF Volt meter

LUMPED RF COMPONENTS

High voltage capacitors and other lumped bits

VHF – UHF AERIALS

Flowerpot antenna how it works V*

Flowerpot antennas V*

PMR 446 aerials

VHF UHF Aerials

ATTIC ANTENNAS

Aerials in the loft attic antennas A*

COAX

Coax switches

RG316 V*

Types of coax.
Loss and shield consideration. V*

RTE 252 ANTENNA

The demolition of the 252kHz antenna
(external link) V*

BALUN – UNUN – CHOKES

The BALUN  UNUN
and common mode chokes V*

Common Mode Current

RF PLUGS & SOCKETS

Antenna switch for short wave listening V*

Crimp-on RF plugs SMA V*

RF Plugs sockets connectors couplers

DIPLEXERS
TRIPLEXERS

Triplexer 6m – 2m – 70cms V*

NANO VNA

Nano very tiny handheld
VNA H V*

Nano VNA H4 V*

ACTIVE ANTENNAS

Antenna on long and medium wave V*

MFJ 1020C Active Antenna A*

Mini-Whip Active Antenna HF LF VLF V*

BIAS TEE

Bias Tee for the Mini Whip and other applications V*

EARTH SWR TRAPS FILTERS

RF Earths

RF Filters Wavetraps Rejector Acceptor circuits

SWR does it matter?

Traps explained

PROPAGATION

Weather and Conditions

Geomagnetic storms solar wind sun spot

Ground, surface and skywave propagation

The ionosphere

MUF Maximum useable frequency

Sunspot maximum 2025

VHF UHF propagation

VLF VERY LOW FREQUENCY

VLF  reception and propagation

HF NOISE & INTERFERENCE

HF noise and interference V*

Interference on medium and short wave V*

CODAR RADAR

CODAR HF ocean radar

AUDIO GEAR

Mixer, microphone, pre-amp etc

Tandberg 3000X tape deck V* A*

SOFTWARE DEFINED RADIO

SDR

RADIO SONDE
weather balloons

Radio sonde weather balloons V*

Also used as a 70cms beacon V*

SURECOM PRODUCTS

Surecom SF-103 handheld frequency counter V*

Surecom SW-102 digital SWR Power Meter

POWER SUPPLIES

Crowbar protection circuit
and power supplies in the shack

COMMERCIAL
RTTY WEFAX CARB

CARB Commercial RTTY V*

RTTY Weather Forecasts

WEFAX weather fax

MANUALS CIRCUITS etc

Manuals and circuits page

INTERNET CYBER SECURITY

Malware and amateur radio security

PROGRAMMING RADIOS

Programming radios. Some notes.

TEST EQUIPMENT

Hameg HM-205-3 oscilloscope.

MORSE CODE

Free Morse code translator

Here is a great website for learning Morse

Morse Code keys and more A* V*

A Morse Code Signalling Lamp

A vintage Morse sounder relayer V*

ECHOLINK

ECHOLINK

RADIO INFO

Radio info stuff gen help ideas

Q CODES. PHONETIC
ALPHABET LINGO etc.

Codes and lingo used in amateur radio

THE G-QRP CLUB

The G-QRP Club

LISTER TYPE D STATIONARY ENGINE

Generating electricity with the Lister D

Lister engine project V*

VISITS TO MUSEUMS etc

Amberley Museum  V* A*

Battle of Britain Bunker

Battle of the Bulge

D-Day Museum Arromanches France
Pegasus Bridge

My Isle of Wight trip
including GB3IW V*

Tangmere Military Aviation Museum

Wings Aviation Museum

GOING HF MOBILE

40m Mobile Isle of Wight V*

HF mobile anyone? V*

HF mobile with the Xiegu G90 transceiver V*

The Xiegu G90 transceiver V*

BLETCHLEY PARK STATION X

Enigma Y Stations

My Visit to Bletchley Park V*

DIGITAL MODES

Digital mode frequencies

FT8 love it or hate it. A*

Olivia PSK31 RTTY and more

RF crashing your computer

JS8 CALL

DX reception for SWLs. DX contacts for radio amateurs with JS8 Call V*

JS8 Call Information and frequencies A* V*

JS8 How to set up notifications V*

WSPR WHISPER

Amazing result on 21MHz with WSPR

Geomagnetic storms solar wind sun spot

Mobile WSPR on 10 metres

WSPR
Weak Signal Propagation Reporter A* V*

COMMUNICATIONS RECEIVERS

ATS-20+ Receiver V*

Eddystone 358X comms receiver V*

Eddystone 910/1 V*

The Lafayette HA600A comms receiver V*

The Lafayette KT340 comms receiver V*

Lowe HF150 V*

Marconi CR100 A*

Marconi CR300

Marconi R1155 receiver V*

National HRO 5TA1 – 5A1 comms receiver V*

Pye PCR receivers V*

Racal RA-1772 Receiver 2 x V*

RCA AR88D Receiver 2 x V*

Reception Set R-209/2/B Receiver V* A*

Sailor R105 HF marine receiver V*

Tecsun S-2000 V*

Yaesu FRG-7
and FRT-7700 ATU V*

MY RADIO GEAR

Alinco DX-70 HF & 50MHz transceiver

AnyTone AT-588 2 metre transceiver A*

AnyTone AT-588 4 metre transceiver A*

AnyTone AT-778V/U 2/70 transceiver

AnyTone AT-5189 4 metre transceiver

AnyTone AT-5555 10 metre transceiver

Baojie BJ-218 transceiver 2 metres 70cms

CRT-SS9900 Superstar 9900 10/12 metre transceiver A*

FDK Multi 700E transceiver

Icom IC-7300 HF 50MHz 70MHz transceiver

Kenwood TS-570D transceiver

Midland CT3000 transceiver

My amateur radio equipment A*

President Ronald 10/12 metre transceiver

Tait T2010 4 metre transceiver

TYT MD UV380 DMR FM handheld

The Xiegu G90 transceiver V*

Yaesu FT290R

CONTROLLED SQUELCH SYSTEMS

CTCSS and DCS squelch systems

TELEPHONES
CLOCKS GPO BELLS SERVANT BELL BOXES AND OTHER STUFF

Bell number 56C. GPO, Post Office, BT

Dictograph HL-10 telephone console V*

Gents GPO Master Clock 2 x V*

GPO 150 candle stick telephone

GPO Slave Clocks 96a and 70a V*

GPO Strowger subscriber meter

Servant’s Butler’s bell box flag board

Strowger Exchange and Portsdown Repeater Stn

Vintage telephone telegraph photos

WEST SUSSEX COASTAL
REPEATER GROUP

West Sussex Coastal Repeater Group Information

GB3BR 70cms Repeater West Sussex

GB3CC 70cms Repeater Chichester

GB3CQ 6M Repeater Worthing

GB3RL – 70cms Repeater Rustington V*

GB3RW 2M Repeater Worthing V*

GB7CQ – 70cm Digital Repeater Worthing

Repeater basics for beginners V*

OTHER REPEATERS

GB3IW 70cms repeater Isle of Wight

GB3WO 70cms repeater Worthing

Passive Repeaters A*

Ten metre FM repeaters

BAOFENG UV-5R UV-5RH UV9R and BF-888S

Baofeng UV-5RH

Baofeng BF-888S

Baofeng UV-5R programming including Chirp V*

Baofeng UV-9R

How to scan CTCSS tones and DCS V*

Tests on the Baofeng UV-5R V*

Using a Baofeng UV-5R with a 70cms Yagi V*

TYT HANDHELD

TYT MD UV380

VALVE HF TRANSMITTERS

Homebrew Valve AM CW transmitter A*

KW Vespa transmitter V*

NDB – NON DIRECTIONAL BEACONS

Receiving long wave NDBs V*

BEACONS in Worthing

70cms beacons in Worthing V*

LONG & MEDIUM WAVE

European medium wave AM frequency list

Long wave broadcast stations V*

Long wave radio

Medium wave DXing V*

U.S. Clear Channel AM stations

THE BROADCAST BANDS
LW MW SW

The Future of AM Radio
link to external site

Shortwave broadcast frequencies A*

The slow demise of long and medium wave radio stations V* A*

SHORT WAVE LISTENING

My amateur radio hobby
beginning 1963 V*

Number stations time signals and more

Short wave listening. SWL V*

Short wave receiving aerials A*

The Tropical Bands

Very interesting short wave frequencies V*

TYPES OF RECEIVER

Superhet & straight receivers

OIRT VHF FM BROADCAST DX

OIRT VHF FM broadcast DXing V*

VHF & HF MARINE RADIO

The Ajax A25 MF radiotelephone V*

Ostende Coast Radio

The Trawler Band A*

VHF and HF Marine Page V*

AIRCRAFT RADIO

Aircraft HF ARC-5 SSB valve transmitter V* A*

HF aircraft frequencies A*

VHF airband radio Icom A-24

PARASET SPY RADIO

The Paraset Spy Radio V*

MILITARY RADIO

Another look at the WS 19 set V*

Clansman military radio equipment V*

Clansman PCR-320 with external ATU V*

Eddystone 358X comms receiver V*

Eddystone 910/1 V*

Marconi CR100 A*

Marconi CR300

Marconi R1155 receiver V*

National HRO 5TA1 – 5A1 comms receiver V*

Pye PCR receivers V*

Pye Wireless Set C12

RCA AR88D Receiver 2 x V*

Reception Set R-209/2/B Receiver V* A*

Wireless Set No 12

Wireless Set No 18

Wireless Set No 19 V*

Wireless Set No 22

Wireless Set No 38

Wireless Set No 52

Wireless Set No 62

Wireless Set No 88

Wireless Set No B44

SSB AUDIO SETTINGS

Audio settings for transmitting SSB

MISC ODDS AND ENDS

Barbara Dunn G6YL

Odds and ends

Police Radios in 1937

Vintage amateur radio

THE AMATEUR BANDS

VHF Bands

2 Metres

4 Metres V*

6 Metres A*

70cms

HF Bands

The HF bands are dead!

10 and 12 Metres V*

29MHz 10 metres AM

15 Metres

17 Metres

20 Metres

30 Metres

5MHz 60 Metres A*

40 Metres

80 Metres A*

160 Metres top band A*

CB and 446 PMR RADIO

446pmr

CB 934MHz

CB Radio V*

CB radio frequency bands

CCF and
ECHO CHARLIE

Combined Cadet Force CCF A* V*

Echo Charlie 6.6MHz V*

MUSIC PIRATE RADIO

Pirate radio 1960s to the 2000s A*

MY AMATEUR RADIO VIDEOS

Introduction video plus Watson W50 2 metre 70cms aerial.

Antenna and ATU videos 

A top band aerial for small gardens

A video looking at different ATUs.

An ATU for end-fed aerials

An end-fed wire antenna for top band 160 metres

Antenna switch for short wave listening

Build a frame aerial to improve medium wave reception

Coax Cable – types loss shielding

Crimp-on RF plugs SMA

Diamond MX-2000 Triplexer

Doublet antennas

Flowerpot antenna how it works

Flowerpot coaxial dipole aerial

GB3IW and NATS aerial site Isle of Wight

Homebrew Bias Tee for Miniwhip Antenna

Mini-Whip Active Antenna on long and medium wave

Setting up an ATU SWR meter HF radio and aerial

SWR ATU Setting up your radio

What is a 'long wire' antenna?

Where does Antenna RF current go? V*

Balun and unun videos 

An UNUN used with an end-fed antenna

Morse code videos 

A Morse Code Iambic Keyer

A vintage Morse sounder relayer

Electronic keyer for Iambic Morse key

Morse code is not dead, or scary!

Morse keys and other CW stuff

Tips for learning Morse Code

Baofeng videos 

Baofeng UV-5RH handheld transceiver

Baofeng UV-5R programming

How to scan CTCSS tones and DCS

Tests on Baofeng UV-5R

Using a Baofeng UV-5R with a 70cms Yagi

Anytone AT-778UV videos

Anytone AT-778UV transceiver

Anytone AT778-UV scan for CTCSS tones

Short wave HF related

HF noise and interference

Interference on medium and short wave

Short wave listening SWL

SWL short wave listening

NanoVNA videos

Common Mode Chokes and Coax

NanoVNA-H very tiny
handheld antenna analyser

NanoVNA tests (four videos)

NanoVNA tuned circuits

Clansman Military Radio Equipment

Clansman PCR-320 with external ATU

Clansman radio equipment – part one.

Clansman radio equipment – part two.

Communications receiver videos

A look at a Sailor R105 Marine Receiver

A look back at the old days. Marconi CR100. AR88 receiver. HRO. 

ATS-20+ radio receiver

Eddystone 358X comms receiver

Eddystone 910-1 comms receiver

Lafayette HA600A comms receiver

Lafayette KT340 comms receiver

Lowe HF150 Communications Receiver

Marconi R1155 receiver

Pye PCR2 comms receiver

R209/2/B receiver Part 1

R209/2/B receiver Part 2

Racal RA-1772 Receiver

Racal RA-1772 Receiver part two. Power supply problems

RCA AR88D Receiver – part one

RCA AR88D Receiver – part two

Tecsun S-2000 receiver

Yaesu FRG-7 comms receiver

National HRO videos

National HRO 5TA1- 5A1 comms receiver part one

National HRO 5TA1 – 5A1 comms receiver part two

National HRO 5TA1 – 5A1 comms receiver part three

National HRO 5TA1 – 5A1 comms receiver part four

National HRO 5TA1 – 5A1 comms receiver part five

National HRO 5TA1 – 5A1 comms receiver part six

National HRO 5TA1 – 5A1 comms receiver part seven

National HRO 5TA1 – 5A1 comms receiver part eight

KW Vespa MK1 transmitter videos 

KW Vespa MK1

Building a Paraset Spy Radio videos 

Building a Paraset Spy Radio – part one

Building a Paraset Spy Radio – part two

Radio Sonde videos 

Ozone Sonde weather balloon

Radio Sonde locating with an HB9CV antenna

Radio Sonde weather balloons – part one

Radio Sonde weather balloons – part two

Digital mode videos

160 metre contacts with rubbish antenna

Discovering JS8 Call

DX reception for SWLs. DX contacts for radio amateurs with JS8 Call *V

JS8 How to set up notifications V*

WSPR weak signal propagation reporter – video

WSPR what’s it for, what’s it do?

10 – 11 – 12 metres

12 metre amateur band

CB Radio 27MHz 11 metres

Pirate radio videos 

6678kHz pirate transmissions?

CCF pirate radio memories

More Pirate and CCF radio recollections

Stories from the past videos

How I became a radio amateur

My amateur radio hobby
beginning 1963

My time as a Marine Electronics Engineer Part One

My time as a Marine Electronics Engineer Part Two

Recollections of GWM Radio and the 1960s 

Tales from an apprentice radio & TV engineer in the 1960s part one

Tales from an apprentice radio & TV engineer in the 1960s part two

Clocks Telephones etc

Dictograph HL-10 telephone system

Gents GPO Master Clock No36 Part One

Gents GPO master Clock No 36 Part Two

GPO Slave Clock 70A

GPO slave clock 96A gaining time V*

Misc videos

40m Mobile Isle of Wight V*

A 500 Watt transmitting valve

A close look at a 70cms repeater GB3RL

A Pirate on 40 metres V*

A trip to Amberley Museum

A trip to Bletchley Park

Aircraft HF valve transmitter

Ajax A25 MF radiotelephone

Codar AT5 transmitter

Collins TCS-12 transmitter

HF mobile anyone?

HF mobile with Xiegu G90 transceiver V*

Long wave broadcast stations

OIRT band VHF FM broadcast DXing

Receiver RF gain control and AGC V*

Repeater basics for beginners

Spitfire medium wave transmitter

Surecom Mcbazel Frequency Counter.

Tandberg 3000X reel to reel tape recorder

Television VHF 405 lines Turret Tuner sound vision IF

Unbelievable Interference 176kHz

What’s happened to amateur radio?

I was very pleased and proud to have received this certificate in the post. Thanks to all at the NRSI.

Below is my test card when I was into amateur television.  Plus, my Atco lawn mower and Lister engine logos.