Или лучше чуть дороже , вот такой конструкции купить?
http://cgi.ebay.com/BRAND-NEW-Shakespeare-5206-C-8-VHF-Marine-Boat-Antenna-/110663214189?pt=LH_DefaultDomain_0&hash=item19c40aa46d#ht_4244wt_906
END-FED WITH MATCHING STUB
An economical and lightweight, self-supporting antenna for good communications where range is not the predominant factor.
* Quality copper cable elements for good range and efficiency
* Chrome-plated brass ferrule with standard 1"-14 thread
* Includes 15' RG-58 cable and a PL-259 connector
* Suggested mount: Shakespeare Style 4187 Ratchet Mount or use a Style 410-R Mounting Kit and a Style 4008 Extension Mast to form a 16' antenna system
* Twin to: Shakespeare Styles 5205 and 5207 CB Marine antennas
* One section
* Shakespeare Limited Warranty: 2 years
Technical Specifications:
Frequency: VHF Marine band
Bandwidth: 3 MHz
SWR: 1.5:1 @156.8 MHz
Impedance: (Ohms): 50
Gain: 6 dB
Max Input (Watts): 50
DC Ground: NO - the antenna will read "open circuit" when checked with an ohm meter or continuity tester.
Termination: RG-58
Height (feet): 8
Polarization: Vertical
Radiation pattern: Omni-directional