- Simple Antennas for 10 Meters
- Some antenna ideas for 10 meters band
[ Hits: 44840 | Votes: 30 | Rating: 4.56 ]
- Quad Antenna System by Pfeiffer Maltese
- Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese
[ Hits: 37862 | Votes: 13 | Rating: 7.54 ]
- Rotatable Dipoles
- Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.
[ Hits: 35939 | Votes: 16 | Rating: 6.32 ]
- Receiving antenna for low bands
- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 18289 | Votes: 9 | Rating: 8.33 ]
- Semi-vertical trap antenna
- The G3NGD Semi-vertical Trap Antenna for 1,8 3,5 and 7MHz
[ Hits: 28444 | Votes: 30 | Rating: 7.20 ]
- Six Meter Moxon Antenna
- Description and phots of a DIY moxon antenna for six meters band, includes clear pictures, drawings and assembling instruction to build this compact antenna for 50 mhz by N2MH
[ Hits: 30221 | Votes: 31 | Rating: 7.20 ]
- Short Dipole for 80 Meters
- May be of interest to anyone wishing to get on 80M (3.5MHz) that have limited space available.
[ Hits: 50640 | Votes: 31 | Rating: 6.00 ]
- Quad calculator
- Cubical quad antenna calculator in java script let you calculate elements size and spacing in inch and meters.
[ Hits: 59506 | Votes: 429 | Rating: 6.90 ]
- RockLoop Antenna
- A Compact antenna for 10, 14 & 21 MHz Bands. A multiband portable and indoor antenna suitable for QRP operations based on an original idea by W9SCH that described this small loop in Sprat 60.
[ Hits: 32990 | Votes: 17 | Rating: 7.11 ]
- Simple j-pole antenna for 2 meter
- how to build a J-pole antenna for 2 meter band with many photos ecc.
[ Hits: 79535 | Votes: 83 | Rating: 5.27 ]
- Shunt feed a hustler mobile HF Antenna
- 40 and 20 meters mobile antenna
[ Hits: 18673 | Votes: 14 | Rating: 6.43 ]
- Quickie Vertical
- KQ6RH HF multiband vertical antenna plan
[ Hits: 70885 | Votes: 30 | Rating: 5.17 ]
- Quad Loops
- Quad loops can be a practical way to get some gain without constructing a full Cubic Quad
[ Hits: 17364 | Votes: 5 | Rating: 4.20 ]
- Quad vs. Yagi
- Why go for a quad rather than a yagi
[ Hits: 15013 | Votes: 17 | Rating: 4.82 ]
- Rotatable delta loop
- W2UP rotatable low band receiving delta loop
[ Hits: 16412 | Votes: 4 | Rating: 8.00 ]
- Satellite Antenna Tips
- Tips that may be of help with the most important part of an amateur radio satellite station, the antenna systems.
[ Hits: 18606 | Votes: 11 | Rating: 6.08 ]
- Satellite tracking antenna
- A rugged motorized satellite antenna tracking system for construction by the home handyman
[ Hits: 31479 | Votes: 16 | Rating: 6.49 ]
- Roofspace Antennas
- How to build a roofspace antennas and get them to work. Explains how to build an effective antenna in your roof. Very interesting if you don't have possibilities to setup an antenna in your roof.
[ Hits: 45118 | Votes: 15 | Rating: 5.40 ]
- Short Vertical Antennas and Ground Systems
- This article describes how an effective ground system can be produced for a short vertical antenna.
[ Hits: 23077 | Votes: 11 | Rating: 6.08 ]
- Simple double-quad Antenna
- 2.4 Ghz quad antenna
[ Hits: 43233 | Votes: 25 | Rating: 6.25 ]
- Short Dipoles
- Short dipoles and verticals for 160 80 and 40 meters
[ Hits: 34331 | Votes: 18 | Rating: 4.62 ]
- SK6AW DX-Cluster on the web
- A flexible and configurable DX-Cluster with many options, ability to send spots, different skins, e-mail & push notifications and other features. Be sure to check out the "Options" page. (ex SM6.SE)
[ Hits: 21544 | Votes: 78 | Rating: 6.90 ]
- Remote controlled receivers
- Use real audio streams to listen to Hf and VHF stations around the world via remote controlled receivers connected to the web.
[ Hits: 105939 | Votes: 256 | Rating: 4.72 ]
- Directory of emergency scanners pinpointed by location on a map of the US with direct feeds
[ Hits: 37207 | Votes: 60 | Rating: 5.32 ]
- Radio Sounds
- Several files with sounds you can ear on the air, includes PSK31, MT63, QPSK, RTTY and Hell variants
[ Hits: 22850 | Votes: 90 | Rating: 4.71 ]
- RM Italy
- RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more
[ Hits: 42203 | Votes: 97 | Rating: 5.82 ]
- Radio & Communications
- Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.
[ Hits: 18329 | Votes: 13 | Rating: 3.32 ]
- Real Time Satellite tracking
- Select your favorite satellite and watch its trajectory on Google Maps in real time! Includes ISS tracking, Weather, Geostationary, GPS Military, and of course Amateur radio satellites
[ Hits: 30033 | Votes: 102 | Rating: 5.49 ]
- San Diego's Live Police Scanner!
- Listen to police radio communications live
[ Hits: 105759 | Votes: 696 | Rating: 5.83 ]
- ROHN / Radian
- Towers, poles, antenna mounts, accessories and hardware, obstruction lighting, and installation services
[ Hits: 22203 | Votes: 15 | Rating: 6.75 ]
- Radio Pro Shop
- 11 Meter CB, 10 Meter Amateur Ham, FRS, GMRS Radios, Test Meters, Scanners, Antennas, Microphones, Power Supplies, Inverters, Accessories and Technical Reference Information.
[ Hits: 16171 | Votes: 11 | Rating: 5.18 ]
- Radio Explorer
- Graphic viewer for shortwave broadcasting and programming schedules. Supports viewing schedules in an expanding table and on a 24-hour Gantt chart using the local time and the UTC time display modes. Runs on multiple platforms.
[ Hits: 18660 | Votes: 59 | Rating: 7.92 ]
- RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.
[ Hits: 18211 | Votes: 37 | Rating: 6.14 ]
- Radio Propagation & Diffraction Calculator
- This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.
[ Hits: 22805 | Votes: 44 | Rating: 3.25 ]
- RF prop
- RF propagation software
[ Hits: 39596 | Votes: 150 | Rating: 3.60 ]
- RadioCommander 2052
- Radio control program for windows by kd5lmy
[ Hits: 33296 | Votes: 26 | Rating: 3.13 ]
- 32-bit Windows software to control multiple radios simultaneously. Beside direct control, it also features frequency and memory management and various scan options. Supported radios range from AOR to Icom and WiNRADiO.
[ Hits: 30498 | Votes: 70 | Rating: 6.76 ]
- SigJenny turns your PC into a flexible and powerful audio signal generator for free.
It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!
[ Hits: 16099 | Votes: 13 | Rating: 6.85 ]
- Sine Wave Generator
- Freeware windows Wave Generator use the sound card's output as sine wave output. A built in sweep algorithm is used by audio hackers to measure frequency repsonses of their amplifiers
[ Hits: 17806 | Votes: 75 | Rating: 5.07 ]
- A software defined radio by Alberto I2PHD
[ Hits: 18099 | Votes: 23 | Rating: 6.91 ]
- Radio and Scanner Modifications
- Scanner and radio mods taken from qrz ham radio cd rom
[ Hits: 20286 | Votes: 38 | Rating: 6.08 ]
- Schematic Database
- Schematic database for HAM Radios and CB Radios
[ Hits: 64168 | Votes: 152 | Rating: 5.37 ]
- Radio Shack PRO, Scanner Mods
- Scanner modification by Mark A. Day N OQK
[ Hits: 22087 | Votes: 58 | Rating: 6.39 ]
- Radio Shack scanner mods
- Contains information and modifications on several of Radio Shack's scanner
[ Hits: 23488 | Votes: 197 | Rating: 5.98 ]
- Scanner mods
- Mods for radio scanners by Bill Cheek
[ Hits: 21530 | Votes: 159 | Rating: 6.37 ]