lf radio204 links
Antennas : 2M
- Hybrid LFA Yagi Oblong antennas
- A project for a 144 MHz hybrid LFA - Oblong yagi antenna made based on YU7XL design by G1HZN
[ Hits: 666 | Votes: 0 | Rating: 0.00 ]
- 80 Meter Vertical Loop
- The 80 meter vertical loop is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses a 6 inch section of half inch diameter PVC pipe Article by W1TR
[ Hits: 711 | Votes: 2 | Rating: 10.00 ]
- Your first antenna - the half-wave dipole
- RSGB article for beginners. How to build a dipole antenna, construction tips and correct setup of inverted-ve dipole antennas
[ Hits: 290 | Votes: 0 | Rating: 0.00 ]
- G5RV Jr Antenna
- The G5RV junior Half Size antenna by kc8hps
[ Hits: 542 | Votes: 0 | Rating: 0.00 ]
- Increase Efficiency for Hand-Held Antennas
- End-fed half-wave antennas provide better efficiency
for hand-held radios than quarter-wave radiators or rubber ducks, article by K0DK
[ Hits: 667 | Votes: 1 | Rating: 10.00 ]
- Improving the Super-J
- The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole.
As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points.
The Super-J has very little separation between the two half-wave radiators.
[ Hits: 557 | Votes: 2 | Rating: 5.50 ]
- 60m Halfwave Sloper
- 4.6 MHz (USAF MARS) Halfwave Sloper antenna by W1TR
[ Hits: 310 | Votes: 1 | Rating: 5.00 ]
- 2.6 MHz Halfwave Sloper
- The 2.6 Mhz M Dipole is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses a T-section of PVC pipe
[ Hits: 245 | Votes: 0 | Rating: 0.00 ]
- Hurricane Net
- The Central Gulf Coast Hurricane Net is a group of volunteer Amateur Radio operators that meet nightly on frequency 3.935 MHz at 7:00 PM CST
[ Hits: 102 | Votes: 1 | Rating: 10.00 ]
- XML Bandplan
- Gerolf Ziegenhain created a structured XML file with the bandplan information, can be used by software developers as source for several usages.
[ Hits: 206 | Votes: 0 | Rating: 0.00 ]
- Tuolumne County Amateur Radio Electronics Society Ham Radio Club - TCARES
- The TCARES membership provides communications assistance with fires, floods, search & rescue, and health & welfare message assistance to the Red Cross, without pay, using their own equipment, usually in twelve hour shifts.
[ Hits: 24 | Votes: 0 | Rating: 0.00 ]
- KiwiSDR SK3W
- Online WEB SDR (Software Defined Radio) receiver powered by OpenWebRX based at SK3W in Fernebo Sweden, offering an improved user interface whole LF and HF band coverage, but with limited user access.
[ Hits: 911 | Votes: 3 | Rating: 7.33 ]
- ARRL NTS
- ARRL National Traffic System, During disasters or other emergencies, radiograms are used to communicate information critical to saving lives or property, or to inquire about the health or welfare of a disaster victim.
[ Hits: 117 | Votes: 0 | Rating: 0.00 ]
- Portable Amateur Radio Operations
- The main issues with portable HF operations have become not issues of the transmitting and receiving equipment itself but of providing power and antennas
[ Hits: 244 | Votes: 1 | Rating: 10.00 ]
- Northern California Transmitter Hunters
- The Northern Calfornia Transmitter Hunters are a group of people that share a common interest in amateur radio transmitter hunting.
[ Hits: 76 | Votes: 0 | Rating: 0.00 ]
- JTDX is a multimode software for amateur radio. Means JT & T modes for DXing, it is being developed with main focus on the sensitivity and decoding efficiency, both, in overcrowded and half empty HF band conditions.
Support JT9, JT65, T10 and FT8 is released unde GNU licence, by UA3DJY and ES1JA. Run under Windows and Linux.
[ Hits: 286 | Votes: 0 | Rating: 0.00 ]
- Call Book Log 3
- A ham radio logging solution. Built on mysql/maria db and php, it allows you to host a log on a web server and have easy access to viewing editing deleting backing up and restoring the log. Allows everyone to view the log and a central admisitrative section which when logged into allows you to add and edit and remove entries. It features an easy to setup page, run the setup page and enter the required values and your set to start logging. It is primarily mobile friendly, easy on bandwidth and should work well in any browser. If entering a contact that you have worked before it will show the last 5 dates and times of that station.
[ Hits: 425 | Votes: 3 | Rating: 10.00 ]
- flmsg - Fast Light Message
- FLMSG is a simple forms management editor for the amateur radio supported standard message formats. Form data can be transferred between computers either using standard internet email or via radio frequency broadcasts typically made by an amateur radio operator on your behalf.
[ Hits: 205 | Votes: 0 | Rating: 0.00 ]
- Building A RF Dummy Load
- If your doing any home brewing gear for ham radio its a great idea to have a dummy load. This will to your radio be the perfect antenna...it will never radiate but your radio sees a perfect 50 Ohm impedance.
[ Hits: 734 | Votes: 2 | Rating: 9.50 ]
- Speaker placement
- Guidelines for optimal speaker placement inside our ham radio shacks
[ Hits: 403 | Votes: 0 | Rating: 0.00 ]
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