10m-10 meter antennas
12m-12 meter antennas
15m-12 meter antennas
17m-17 meter antennas
20m-20 meter antennas
2m-2 meter antennas
23cm-23 cm 1200 MHz antennas
30m-30 meter 10 MHz antennas
40m-40 meter antennas
6m-6 meter 50 MHz antennas
70cm-70cm 432-440 MHz antennas
80m-40 meter antennas
160m-40 meter antennas
60m-60 meter 5 MHz antennas
136 khz-136 KHz o 2200 meter antennas
Bazooka-Bazooka calculator antenna
Beverage-Beverage antenna for low bands
Cb Antenna-Cb Antenna 11 Meter Projects
Collinear-Collinear antennas
Cobweb-Cobweb antenna multibands
Delta Loop-Delta Loop
Eh-Eh antennas
End-fed antenna-End-fed antenna
EWE Antenna-EWE Antenna for receiving low bands
Fan Dipole-Fan Dipole
Fractal Antenna-Fractal theory antennas
Folded Dipole-Terminated folded dipole
Fiberglass Tubing
Fiberglass Tubing-Pole telescoping fiberglass
G5RV-G5RV multi band-antenna-all hf bands
Halo-Halo Antenna vhf uhd Projects
Helix-Helix antennas
Hentenna-Hentenna for 50 MHz
Hidden Antenna-Hidden Antenna
HF mobile-HF mobile antennas
HexBeam-Hexagonal beam antennas
Isotron-Isotron antennas for small spaces
Jpole-Jpole antenna vhf uhf
Loop-Loop antenna magnetic loop
Log Periodic-Log periodic antenna
Low Band Receiving-Low Band Receiving antennas
Lideband-Lideband antennas
Moxon-Moxon antennas Projects
Multiband-Multiband antennas
Morgain-Morgain antennas
Ocf Fed Dipole-Ocf center Fed dipole antennas
Quad-Quad antennas
Slot-Slot antenna
Spiral antenna-Spiral antenna reduces space
Vertical-Vertical antennas
Vhf-Uhf-Shf-Vhf-Uhf-Shf antennas
Wifi & Ghz-Wifi & Ghz antennas
Windom-Windom antennas
Wire-Wire filar antenna
Yagi-Yagi antennas
Tower-tower for antennas
Traps-Traps for antennas
Transmatch-Transmatch antenna tuner
Audio Recording
Audio Recording-Noise reduction software
Antennas manufacturers
Antennas manufacturers-Antennas manufacturers
Antenna Switch
Antenna Switch-Antenna switches
Beacons Radiamateur
Beacons Radiamateur-Beacon-project
Band Plan Ham Radio
Band Plan Ham Radio-Iaru-hf-band-plan
Contest Logging Software
Contest Logging Software-Qartest-radio-contest-logging
Components and kit
Components and kits-Kits-and-components
DX Cluster software
DX Cluster software-Dx-cluster
Dummy Load home made
Dummy Load home made-Construction a dummy load
EME ham radio satellite
EME ham radio satellite-Earth-moon-earth-communication
Elecraft Transceiver
Elecraft Transceiver-Elecraft K2 reflector
Electronic Components
Electronic Components-Electronic components online store
Ham Radio Clubs Europe Italy
Ham Radio Clubs Europe Italy-Ari sezione di Genova-iq1ge
HF Radio modifications
HF Radio modifications-Icom Yaesu band-decoder arduino
Ham radio magazine
Ham radio magazine-CQ magazine
Icom 7300
Icom 7300-IC 7300 external tuner with balun-9.1
Kenwood TS 2000
Kenwood TS 2000-Mods-Kenwood Ts2000 dsp
Logging software
Logging software-Easylog.com ham radio logging
Log Converter Software
Log Converter Software-Convert adif to cabrillo format
Microphone setting
Microphone setting-Microphone boom headset for the Ft-897
Mac Ham Radio Software
Mac Ham Radio Software-Morse mania for macos
Microwave
Microwave-Broadcast microwave services
Power Supply
Power Supply-40 amp power supply
PSk31 software
PSk31 software-Winpsk psk31 applications
Propagation prediction
Propagation prediction-Ionospheric simulator
Propagation Solar Cycle
Propagation Solar Cycle-Radio propagation introduction
QRSS Amateur VLF
QRSS Amateur VLF-10m qrss qrpp beacon
QSL Printing
QSL Printing-IK1PML bevione
Radio old museum
Radio old museum-Military-radio
Rtty mode
Rtty mode-Contesting rtty tips
Radio control software
Radio control software-Antenna rotator system
Remote Radio
Remote Radio-Remaud-remote-audio-software
Radio Programming
Radio programming-Radio programming software
Radio Portal
Radio Portal-Dx-425-news
RF Filter
RF Filter-Audio filter and speakers
RF attenuator
RF attenuator-Attenuators and preamps
Soldering
Soldering-How to desolder components
Swr Meters
Swr Meters-Ft meter yaesu-897-857
System grounding
System grounding-Antenna grounding system
Software Antenna
Software Antenna-Antenna calculation software
Spectrum Analyzer
Spectrum Analyzer-A simple spectrum analyser
Software Defined Radio
Software Defined Radio-Sdr-Drm for yaesu-ft-897-857-817
Surplus Radio
Surplus Radio-Military- adio information
SWL Shortwave
SWL Shortwave-Guide to-radio broadcast transmitters
SSTV
SSTV-Multimode program multipsk
Transverter for radio
Transverter-28-144-mhz-transverter
Telegraph Morse
Telegraph Morse-Diy arduino cw keyer
Tracking Satellite
Tracking Satellite-Controlled rotator for amsat satellites
Television ATV
Television ATV-Power amplifier for 13 cm atv
Voice Messages Keyer
Voice Messages Keyer-Voice & cw keyer
Web Sdr
Web Sdr-Websdr in Milford Pennsylvania
Yaesu FT 857 transceiver
Yaesu FT 857 transceiver-Ft-857 display problems
A 2 element dual-rectangle beam for 70cm Is a direct-connect dual-rectangle beam for use on 70 cm between 440 and 450 MHz
Verticales 40m en phase Start by constructing 2 identical quarter-wave bazooka verticals Center frequency: 7.050 MHz Radials: system made up of 4 radials 2m above the ground
Dual band vertical antenna for 80 meter and 160 meter Use a 22 meters spiderbeam fiberglass mast with an insulated wire slightly wrapped around it
Arduino Tiny Keyer Project The construction of an iambic keyer using an arduino
20-40 Meter Short Trap Dipole Antenna 40 meter short coax trap dipole antenna, will use the coax trap design calculator software to design the 20 meter coax trap
Compressor clipper for FT-817 I have described the function of an HF clipper on my website and here I go into some special features of the HF clipper for the FT-817
Capacitive Loaded Vertical Doublet Linear-loaded vertical doublet has been doing an excellent job the past two years, but it's time for a change, i've wanted to play with a twin-t capacitive loaded vertical doublet design
An off center fed ocf dipole It's a dipole fed off center with a 4:1 balun at the offset feed point
Quarter wave 80 meter vertical antenna An RF switch is convieniently mounted at the top to switch between 80 and 160 Meter operation
The Folded Dipole The Folded Dipole is not used much amongst Radio amateurs, probably due to the fact that this antenna uses twice as much wire as a single-wire dipole
15 Element Wire Log-Periodic 7MHz 30MHz Balun necessary, Double-boom 60/18mm, electrically fed = increased gain
Lego MindStorms Iambic Keyer and Paddl I made this Iambic Paddle and keyer combination out of Legos, and the Lego Mindstorms Robotics Invention system
The Vocal Keyer The vocal keyer for Yaesu FT1000 MarkV
Homebrew T-Match Antenna Tuning Unit Build a new ATU that would cover 160m and also handle much more power
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Calcolo induttanza bobina in aria Nei dati immessi usare il punto (.) come separatore e non la virgola
Bazooka-Antenna Calculator Antenna Bazooka one of its characteristics, are: easy installation, and very silent especially in the low bands
Antenna MOXON calculator This is a world wide web front end for a public domain program written by w4/vp9kf using php, this program has been derived from a public domain basic program written by l. b. cebik, w4rnl
Double Extended Zepp NVIS Antenna Calculator The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna
DHD Double Half Delta This is a dhd double half delta in theory it should return a low signal but with a good s - n ratio roughly like a beverage
Carico fittizio 50 ohm 1600W Carico fittizio 50 ohm 1600w in olio minerale di paraffina con schema elettrico
Build a 12/17 Meter Trap Dipole Why a 12/17 meter rotatable dipole? Well, many folks have verticals for the lower bands
80m-40m Dual Band Vertical Hopefully this will help others looking for a good 80m/40m antenna, i have enjoyed this antenna project and it works very well
Automatic Satellite Tracker To design and build an automatic satellite tracker for two-way radio communication using cheap and available hardware