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Palomar Engineers will be at the Mabuhay DX Group Meeting on April 19-21 and will have product display and a group presentation on eliminating RFI and using Multi-Band Antennas to work more DX!
NEW PRODUCT ALERT
BULLET™ END FED ANTENNAS - 80-6 Meter - 100/500/1500 Watts
SHORTER, SAFER, MORE BANDS THAN EFHW
Bullet end fed antennas are shorter than conventional dipoles, yet deliver superior performance on many bands using the radiating coax as part of the antenna. They come in a variety of power levels, and work great for portable or permanent installations. Thousands in use world-wide! Selected models available at Ham Radio Outlet and all available on company website where full details on these antennas and many accessories are shown.
BULLET-2006 Antenna (Click for more info)
BULLET-4006 Antenna (Click for more info)
BULLET-8006 Antenna (click for more info)
Palomar Engineers Antenna Info Sheet
Popular Categories
HF Wire Antennas - End Feds, Off Center Fed, Loop, T2FD/BBTD, Dipoles and Zepps, 160-6 Meters, Wire, Hardware and Instructions for you.
Ferrite Products - Rings, Snap On, Slip On, useful from 150KHz - 2 GHZ, Mixs 31, 43, 52, 61, 75
RFI Solutions - Consumer Electronics, Computer, Audio/Home Theater, Wall Warts, Solar and more!
Baluns/Ununs/Chokes (1:1-81:1 ratios) for RX, 100/500/1500/5000 Watts including Hybrids (with choke) and Multi-Ratio
Radio Transceiver/Linear Amplifier RFI Kits - All Brands, VLF, HF to UHF
Noise Filters - Coax, AC and DC power 100 KHz - 150 MHz, up to -48 dB noise suppression - hear DX again!
Palomar Engineers® products are over engineered to outperform the competition without being over priced!
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SLIP-ON FERRITE BEADS
Baluns are used to connect balanced antennas to unbalanced transmission lines (Coaxial cable) and Ununs are used to connect unbalanced transmission lines to unbalanced transmission lines or unbalanced antennas (e.g. verticals). In the case of 1:1 baluns the input is usually an unbalanced coax cable and the output load is a two terminal balanced load like an antenna. Ununs are also called line isolators, feed line chokes, and 1:1 coaxial baluns (incorrectly). 1:1 Baluns and ununs stop common mode currents (flowing on the outside of the coax braid due to skin effect) when they are located at the antenna feedpoint. They can also be used as “line isolators/chokes” anywhere along the cable to suppress flow of induced RF (antenna near field radiation and neighborhood noise pickup) which helps suppress RFI into the radio receiver/transmitter. For best results, put one at the antenna feed point connection, and one at the radio room entrance, and for difficult common mode current cases, one every 1/4 wavelength along the antenna feed line. For low (below 3 MHz) frequencies, use two 5 bead baluns in series to double the choking impedance or order the 10 bead or 15 bead version for higher choking power.