micro 80
12 links - and 1 categoriesCategories
- Horizontal Loop for 80 meters
- Modelling an horizontal Loop antenna at 3.5 MHz
[ Hits: 1036 | Votes: 2 | Rating: 5.5 ]
- 80m Shortened Dipole Antenna
- This antenna just requires about 24m of free space instead of 41m that a normal half wave 80m antenna needs to hang up. The so called loaded dipole uses a coil in every dipole arm to electrically lengthen the
mechanical too short dipole arms. Every coil has an inductivity of 120 microHenry.
[ Hits: 152 | Votes: 0 | Rating: 0 ]
- A Horn Antenna for 2.4 GHz.
- This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
[ Hits: 10958 | Votes: 32 | Rating: 3.82 ]
- KQ6XA Antennas and towers
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- Interesting antennas pojects such as Broadband/Multiband Dipole and Tower radiating antennas for 80m and 160m, HF antenna for the micro-light backpacking enthusiast
[ Hits: 44906 | Votes: 27 | Rating: 4.96 ]
- Semi-automatic antenna tuner project
- Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
[ Hits: 291 | Votes: 0 | Rating: 0 ]
- 80M Fox-Or-Test Transmitter
- The 80 metre fox-or/test transmitter is a small low power transmitter which is designed to be used as an alignment aid for running up 80 metre foxhunt or ARDF receivers. It is also usable as a micro transmitter for fox-or-ing events.
[ Hits: 707 | Votes: 3 | Rating: 2.67 ]
- Heil PR-781 Microphone
- Review of the popular Heil PR-781 mic, connected to an Icom IC-7800 by k3dav
[ Hits: 562 | Votes: 1 | Rating: 10 ]
- Easy programming the V8000 with the hand microphone
- A quick and easy method of programming memory channels
The Icom IC-V8000 manual leaves much to be desired due to the translation.
The operator's manual included with the Icom IC-V8000 can be very confusing to the new ham and the old timer alike, and lots of hams get very disgusted when trying to program the IC V8000 using the instructions provided with the operator's manual.
[ Hits: 2964 | Votes: 5 | Rating: 10 ]
- Programming Yaesu FT-8800R
- Programming the FT-8800R via the front panel and microphone keypad is not extremely difficult. Already having a list of local repeaters in CHIRP, the addition of a USB cable would allow you to coordinate the memory layout across multiple radios with ease.
[ Hits: 297 | Votes: 1 | Rating: 1 ]
- NEC4WIN
- NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc.
NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.
[ Hits: 1873 | Votes: 2 | Rating: 7 ]
- Audio spectrum analyzer
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- Analyzes audio from 10 Hz to 20 kHz, input from microphone or wave file, Variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, 44100 Hz)
Variable transform sizes (1k, 2k, 4k, 8k)
Upper and lower limits adjustable
Continuous, averaged, peak hold
[ Hits: 30291 | Votes: 54 | Rating: 3.82 ]
- QRP Transceiver for 3.5 Mhz
- A QRP transceiver for 80 meters band by W1FB
[ Hits: 1502 | Votes: 1 | Rating: 10 ]
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