Datong active antenna

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August undefined, 2024

WebFeb 18, 2001 · The AD-270 was for inside use, intended to be mounted inside the roof or. loft. It has two wires in a dipole configuration, so was mildly directional. The AD-370 was … WebA number of years ago, a company called Datong marketed such an antenna (with a preamp right at the antenna feedpoint) that was popular in Europe and to some lesser extent in the Americas because it's easy to hide the antenna. Passive preselectors are quite different. You tune a passive preselector until the signal is free from distortion and ...

Datong Active Antenna Model Ad370 - sydneycelestial

WebFormed in 1974, Datong initially specialised in the development of Radio Frequency technology for use by amateur radio enthusiasts. By 1982, Datong had developed its first radio frequency Direction Finding product and during the subsequent period of heightened terrorist activity in the UK Datong moved the focus of operations to address the ... WebFeb 10, 2024 · This is in my opinion the best SDR in the affordable range and is for me the reference receiver. Hobby-usual active antennas were used. The NTi ML200 Loop with … how do french people say hello

Datong Active Antenna Model Ad370 - jcheavenly

WebActive Antenna Systems. There were two later versions of the wideband active antenna. AD270 was the indoor version. AD370 was designed for outdoor use. Many thanks to … WebDimensions (WHD) 80 x 82 x 55 mm / 3.1 x 3.2 x 2.2 inch. Notes. Datong AD 370 outdoor active antenna. Covers 0,2 - 100 MHz; the outdoor variant consists of a small cabinet with the matching network / amplifier, two 1,5 m telescopic rods which make the dipole, an interface unit to couple power supply. Price in first year of sale. http://www.redwaveradio.com/11_e7ea44315078ab7f_1.htm how much is henry ruggs contract

Datong Archive - AD270 AD370 - Google Sites

WebDimensions (WHD) 80 x 82 x 55 mm / 3.1 x 3.2 x 2.2 inch. Notes. Datong AD 370 outdoor active antenna. Covers 0,2 - 100 MHz; the outdoor variant consists of a small cabinet … WebThe Datong AD270/370 Active Dipole Antenna One of the more popular commercially available active dipole antennas was the Datong AD270 and AD370, the former intended for indoor useage and the latter for outdoor. The amplifier consisted of a balanced JFET input stage using transformer-couple drain-to-source feedback, followed by a pair of … how do french say cheersWebJan 19, 1998 · Datong active antenna. 2 post • Page:1 of 1. Datong active antenna. by g8jn » Mon, 19 Jan 1998 04:00:00 . I have been using the Datong outdoor active antenna for some years and am always amazed by its performance. Unfortunately I can't put a … how do french people sign off emails

"WebFEATURES: •40 channel UHF CB • Repeater offset CH.1 to CH. 10 • RF output. 2.5W high. 0.6W low • Illuminated channel selection switch for night operation • Small in size, big in performance • Full range of accessories SPECIFICATIONS: GENERAL Freq. range 476.425-477.400 MHz UHF CB Freq. control: Digital PLL synthesiser Type of emission: … " - Datong active antenna

Datong active antenna

18IONOSONDE ANTENNAS - Bureau of Meteorology

WebDATONG AD270 ACTIVE ANTENNA The theory behind the active antenna is that as most receivers are sufficiently sensitive to incoming signals as to mask normal receiver noise, … http://restonsouthgate.com/wp-content/uploads/2016/05/SG-guidelines-for-satellite-dish-exterior-antenna.pdf

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http://www.snowbird.plus.com/electronics/datong_ad170.pdf WebFollowing the suggestions made, now two years ago when the document was distributed in hard copy to about 20 colleagues, no one has done anything except for some trials of the …

WebThe Datong AD170 package contains the active aerial unit, the interface unit, 2 x 1.5 meters antenna wires, 1 x 4 meters jumper cable and a 3.5 mm jack plug. The mains … WebSeller notes. “DescriptionJIM (Mizuho) M75 - High quality pre-amp with variable gain control and band pass filters to minimise interference.With a BNC Plug on one end and BNC socket on the other, the unit will fit on top of a handheld scanner or in line for use with a base receiver.Fitted band pass filters for much improved performance.

WebEI4GMB Rating: 2010-08-05; Superb Pro.Receive Antenna Time Owned: more than 12 months. After hearing some marvelous reviews by serious DX'ers I purchased the RF Systems DX-1 Pro Mk II Active Vertical Receive Antenna for approx.£325 from a dealer in th U.K. Due to antenna restrictions I had to install it in my attic and although not an ideal … WebThe Datong AD270/370 Active Dipole Antenna One of the more popular commercially available active dipole antennas was the Datong AD270 and AD370, the former …

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WebActive antennas can provide very good receive performance from a physically small structure. They do this by using an amplifier to make up for the lack of gain. However … Active Antennas - Updated Nov 2024. Loop on the Ground Receive Antenna - First … how do french women lose weightWebI compared the V3 against my old Drake R8 communication receiver using both long-wire (23 feet) and Datong DA270 active dipole antennas. The old Datong DA270 is long in the tooth and I got slightly better results with the long wire. The Drake is in terrific shape for its age (25 years). Wish I could say the same for myself. 🙂 how do french women stay so thinWebTo make the measurements I used a remote controlled Icom PCR-1000 and Datong active antenna located about 2 miles ... I also used a spectrum analyser and short vertical antenna about 30m away from the transmit antenna in order to try and verify the results. Frequency MHz 1.92 3.62 7.06 10.1 14.14 18.11 21.115 24.94 28.55 50.165 Springy (Local how do french women stay slimWebhazard. Owners shall be responsible for antenna maintenance, repair and replacement, and the correction of any safety hazard. 3. If antennas become detached, owners shall remove or repair such detachment within 72 hours of the detachment. If the detachment threatens anyone's safety, the Association may remove the antenna at the expense of the ... how do frequencies healWebDatong AD 270 active antenna. Covers 0,2 - 100 MHz; system consists of a small cabinet with the matching network / amplifier, two 1,5 m wires which make the dipole, an interface unit to couple power supply. For indoor … how do french talkWebDatong AD270 active receiver antenna system 0.2 - 100MHz. Complete with power adapter. This is a brilliant bit of kit for amateur radio listening. I had the head end, which … how much is henry winkler worthWebFeb 10, 2024 · This is in my opinion the best SDR in the affordable range and is for me the reference receiver. Hobby-usual active antennas were used. The NTi ML200 Loop with 1m diameter, the crossloop also with 2x 1m diameter, the active dipole Datong AD370 and the Stampfl HB9KOC active dipole with a dipol length of 1m. how much is hep b vaccine at walgreens