All You Need To Pass Your Extra Class Exam!Pass the 50-question Extra Class testAll the Exam Questions with Answer Key, for use through June 30, 2016NEW! Use with ARRL s online Exam Review for Ham Radio.Detailed explanations for all questions, including FCC rulesThe ARRL Extra Class License Manual i...

White Plastic Insulated Stand Off Bracket, Shakespeare Model 408R, use w/styles 81-S and 407 swivel mounts (not Inc.) and antennas of 1", 1 1/8" & 1.5" OD, includes bracket, 1" & 1 1/8" inserts

VHF/Cellular through-deck mountThrough deck mount, for use with SeaMaster VHF or Cellular antennasStem diameter: 16mm, Base diameter: 35mm

VHF SAIL/MOTOR CRAFT ANTENNA provides alternate to large white fiberglass antenna for VHF/FM marine radios. Slim. Stainless steel 34" whip mounted to nickel plated post into 1-1/2" stainless steel coil. Outperforms conventional 54" 3db gain fiberglass antennas. Used by the USCG for search and rescue...

3 pc. Quick Connect- Saves time and eliminates hassle when switching between antennas. Base fits onto receiver and the two tops screw into antennas. Fits the Garmin Astro 220, 320 and Alpha 100.

The boatowner's foremost troubleshooting guide, now better than ever If it's on a boat and it has screws, wires, or moving parts, it's covered in Boatowner's Mechanical and Electrical Manual. When you leave the dock with this book aboard, you have at your fingertips the best and most comprehensive a...

Long range magnet mount antenna with 17 ft. coaxial cable. Gives 3-4 times the range of factory(rubber duck) antennas. Strong magnet keeps antenna in place. Includes Quick connect adapter base.

Long range bracketet mount antenna with 17 ft. coaxial cable. Gives 3-4 times the range of factory(rubber duck) antennas. Strong stainless steel bracket keeps antenna in place. Includes Quick connect adapter base.

Constructed of high-quality Shakespeare white fiberglass, and finished to match Galaxy antennas. 1" diameter for light to moderate applications. Great for GPS and TV antennas.

Windex AV Antenna Mount Wind VaneWindex wind vanes continue to offer exceptional performance at the best value of any wind indicator worldwide. The secret is in the sapphire jewel suspension bearing, large fin-low inertia vane, and easy-to-read, fully adjustable tacking tab system.Windex AV installs...

VHF 1.0m UltraGlass AntennaAn economical option, still with the same superb electrical performance as the P6101.Pro Series Antennas are a breakthrough: the only marine antennas in the world which can be removed and remounted on the boat at the user's convenience. The cable is hardwired to the Pro Se...

The fifth edition features new and updated material. Highlights include......a thoroughly revised discussion of receiving antennas. You ll discover how to greatly enhance their operational bandwidth. In addition, low-signal transformers for Beverages and other receive-only antennas are analyzed in g...