Search Results for "8 band"581 links - and 2 categories
Antennas : 160M
- A Lowband Antenna that is Almost Free
- The Shunt-fed Tower, an effective Low Band Antenna, uses your beam as a capacitive top-hat and only needs a simple feed network and a good ground system to work DX on 80M and 160M.
[ Hits: 17748 | Votes: 4 | Rating: 7.75 ]
- A multi-band super mini loop antenna
- To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
[ Hits: 13437 | Votes: 17 | Rating: 7.57 ]
- 8 Element Quad for 145 Mhz
- 8 elements quad antenna for 2 meters band, centered on 145 Mhz
[ Hits: 28000 | Votes: 96 | Rating: 5.96 ]
- Switchable Antenna 80/160 meters band
- A switchable antenna for 80/160 meters by IK1ZOY. A new version of a 1/4L 80 m. dipole modified for use in 160 m. band. using it's own coaxial cable feeder to wrap a coil.
[ Hits: 16274 | Votes: 6 | Rating: 5.50 ]
- 80M Vertical antenna with capacitance hat
- Simple wire antenna cheap to make, using readily available materials, Low angle radiation, with rejection of high angle signals Wide bandwidth, with resonance at the 80M DX window (3.790-3.800 MHz); and Maximum height is 40 feet
[ Hits: 23611 | Votes: 23 | Rating: 7.05 ]
- Comparison of Beverage antenna
- A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands
[ Hits: 2669 | Votes: 2 | Rating: 6.50 ]
- QFH antenna for weather satellite band
- This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable
[ Hits: 3930 | Votes: 16 | Rating: 5.25 ]
- 80 Meter Multiband doublet antenna
- 80 meter multiband doublet antenna with open wire feedline for 80-10 meters by N1LO
[ Hits: 3124 | Votes: 5 | Rating: 4.40 ]
- New HF antenna HB9ABX
- A new, revolutionary design allows the construction of small HF antennas,
which provide the same efficiency as large antennas. This antenna can be built for all HF bands, from 10 to 80 m.
[ Hits: 21598 | Votes: 33 | Rating: 9.13 ]
- Half square antenna
- The elevated half square antenna is a very simple antenna that can be constructed from common materials yet gives significant improvement over a dipole at the same elevation. Ground mounted versions of this antenna are commonly used in amateur radio for 75/80 and 160 meter bands
[ Hits: 6994 | Votes: 3 | Rating: 7.67 ]
- 43RD114 Tony
- Freebander page of 43RD114 tony in Australia, includes QSL page and personale photos
[ Hits: 476 | Votes: 0 | Rating: 0.00 ]
- Recording of DX and other signals on 160 meters
- Topband and DX recordings and sound files on 160 meters band
[ Hits: 726 | Votes: 0 | Rating: 0.00 ]
- KVK Antenna Systems
- The manufacturer of the NuBeam, Vipole, and the multi-band Quad-Folded-Dipole (or QFD for short) antenna. Also have a unique multiband vertical which can combine operation on multiple HF frequencies as well as provide high gain on 50, 144 and 438MHz in a single antenna.
[ Hits: 3631 | Votes: 1 | Rating: 1.00 ]
- FAX480 was developed to provide for relatively high resolution image transmission on HF, VHF, and UHF amateur radio bands. FAX480 was designed to bridge the gap between conventional slow scan television (SSTV) and conventional facsimile techniques.
[ Hits: 524 | Votes: 1 | Rating: 6.00 ]
- WA4DSY 56KB RF Modem
- This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band
[ Hits: 897 | Votes: 0 | Rating: 0.00 ]
- Auto Band Select Box for the FT-817
- This project is an interface box for the Yaesu FT-817 that includes a band output port, a computer serial interface, and a remote interface for the FL-7000 (and Quadra?) solid state power amplifiers
[ Hits: 2068 | Votes: 0 | Rating: 0.00 ]
- FT897 SuperControl
- CAT control and logging software project especially developed for the YAESU FT-897 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope
[ Hits: 15284 | Votes: 20 | Rating: 7.75 ]
- HalloSat AO-40 Special Edition
- Freeware Tracking Program for AO-40.Based on Windows timesetting, thus automatic switching between normal and daylight saving time. Preview listings with a view to the passband schedule, to the squint angle and elevation. Integrated frequency calculation for transmit frequency (uplink) depending on receive frequency (downlink) with a view to dopplershift. CAT – Control for all Icom – Transceivers without IC-821.
[ Hits: 1856 | Votes: 1 | Rating: 10.00 ]
- A 80/40m DDS controlled QRP CW transmitter
- JUMA-TX1 is a 5W CW transmitter for the 80/40m bands. Juha (OH2NLT) and Matti (OH7SV) have had high quality CW keying and a compact size as design goals for this project. No coils need to be wound to construct this transmitter!
[ Hits: 4502 | Votes: 5 | Rating: 7.80 ]
- Amperion Inc BPL tests
- Amperion Inc. issued an announcement that it has successfully tested its broadband powerline (BPL) technology over high-voltage, 69,000-volt transmission lines.
[ Hits: 327 | Votes: 3 | Rating: 3.67 ]
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