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Ground-plane Antennas for 144, 222 and 440 MHz

tenna as part of the aluminum base . A compression type of hose clamp could be used to secure the an-tenna to a mast. As with the 144-MHz version, the vertical portion of the antenna is soldered directly to the SO-239 connector. A very simple method of construction, shown in Figs 25 and 26, requires nothing more than an SO-

  Enant

The Double Bazooka Antenna - w1npp.org

tenna is cut for about the center frequency. Fig. 3 shows s.w.r. measurements made with two dif- ferent lengths, the coaxial section (cut by formula for 3.9 MC.) being the same in both cases. Extensive experimenting by WSNSM and my- self indicates that RG-5SA/U coax has ample mechanical and electrical strength for this appli- cation.

  Double, Antenna, Enant, Bazooka, The double bazooka antenna

RADIO DIRECTION FINDER KIT Ramsey ... - All Spectrum

tenna switcher and the four 1/4- mag-mount antennas. Total project cost is about one third the cost of purchasing a commercial RDF unit - and building the project is a lot more educational. HOW IT WORKS To understand the operation of the …

  Enant

Low Profile 10 Meter Antenna

tenna, so that it accepts the 38-inch threaded stud of the 102-inch whip. So, the last step is to screw the stainless whip into the stud. Don't tighten it down yet, because you'll be removing it for tuning later. Tuning The Radio Shack 102-inch whip is cut for 1 1 -meter CB, so we'll have to shorten it a bit for use on the 10-meter amateur band.

  Enant

AN1088: Designing with an Inverted-F 2.4 GHz PCB Antenna

tenna matching structure is a 3-element PI network. You can achieve a good match using a maximum of two elements (with one series and one shunt component) of the PI network. Any unknown passive impedance can get matched to 50 ohms on this PI network, since

  With, Designing, Inverted, Enant, An1088, Designing with an inverted f

C O Active Tuning Antenna System ATAS-25 ... - Yaesu

tenna and check the SWR again, and repeat (or reverse) the procedure until the best SWR is obtained. Do not touch the coil assembly during a transmitting session. 5. If low SWR on an HF band cannot be satisfactorily ob-tained, connect (add) the supplied spare radial wire to the bottom of the ATAS-25 main body and extend it outward

  Enant

HF Antennas Especially stealth models for those in ... - BVARC

Flag Pole Verticals •15.5 to 28 ft high •20 meters and above or 80 meters and above •Radials required •Tuner required •Remote tuner at the base is best

USDA Rural Development Multifamily Housing Org Structure ...

Tenna Adams • Dana Koffman • Terri Mier • Jamie Rhine •Julie Miller •Michelle McDaniel. Midwest Routine Servicing Team3 Steve Lervik, Team Lead • Tammy VanWinkle • Robert Hernandez •Karen Lange

  Enant