Page 66 of HAM Radio 2009 by MFJ Enterprises, Inc.

mfj-1910 95 fiberglass pole extends to 33 ft weighs 3.3 lbs mfj telescopic fiberglass aluminum masts just pull out each section and twist to lock mfj-1902h 10 feet 95 ship code b ship code d it extends to a whopping 33 feet a full quar 79 super-strong fiberglass mast select 10 22 33 or 43 feet mfj-1904h 22 feet 95 ship code c ter wave on 40 meters it collapses to just 3.8 feet and weighs a light 3.3 pounds for true portability bottom section is large 13/4-inch diameter super 119 159 mfj-1906 33 feet 95 ship code e 139 mfj-1908 43 feet 95 ship code e 179 great for portable temporary use and semi-permanent use traveling camping from hotels hamfests field day dx-peditions put up a full size inverted vee dipole or vertical antenna in minutes and get full size performance use to construct other types of antennas like loops quads rotatable dipoles even beams 64 feet 11-section telescopic aluminum mast ship code d vertical antennas or as a mast pictured left great for portable temporary use and permanent use traveling camping etc includes one size of each slitted tube listed above and ten hose clamps mfj-1965 is 64 feet fully extended and 6 feet collapsed without clamps guying is required if mast is extended beyond 30 feet top section is .625 od bottom section is 2 inches od x .120 wall mfj-1900 $69.95 complete base assembly kit with mounting plate insulators hardware so-239 etc for fiberglass and aluminum masts fit up to 2.0 od masts 199 mfj-1965 this 11-section multi-purpose alu95 minum telescopic pole can be used for base mount for fiberglas and aluminum masts true 1:1 current balun center insulator mfj-918 forces equal 95 antenna cur ship code a rents in dipoles for superior performance reduces coax feedline radiation and field pattern distortion your signal goes where you want it reduces tvi rfi and rf hot spots in your shack don t build a dipole without one 50 hi-permeability ferrite beads on high quality rg-303 teflonr coax and teflonr coax connector handles full 1.5kw 1.8-30 mhz stainless steel hardware with direct 14 gauge stranded copper wire connection to antenna 5x2 inch heavy duty weather protected pvc housing true 1:1 current balun/center insulator antenna balun/unun center insulators rf isolators stops rf from traveling on coax lines mfj-915 rf mfj-915 95 isolator prevents left stainless this is a supersteel hose strong heavy duty teleclamps use scoping mast not a nut/screwdriver flimsy pole fiberglass is slotted right these super-strong military quality masts are made of uv protected .125 inch thick wall quickclamps guy 2 levels fiberglass tubing fully extended each has a 2-inch o.d bottom section and a 3/4 inch o.d top section these masts support real weight including small yagis verticals loops full-size dipoles g5rvs and more mfj-1906 $139.95/mfj-1906h $189.95 are 33 feet extended 6 feet collapsed six 6-ft sections 13 lbs mfj-1908 $179.95/mfj-1908h $229.95 are 43 feet extended 8 feet collapsed six 8-ft sections 16 lbs mfj-1906/mfj-1908 have stainless steel hose clamps use nut/screwdriver mfj-1906h/mfj-1908h have military quality uv protected quickclamps must guy two levels minimum when fully extended mfj-1904h $159.95 22 feet extended 5 feet collapsed 9 lbs with military quality quickclamps mfj-1902h $119.95 10 feet super-strong fiberglass mast perfect for traveling true portability will fit in your suitcase 38 collapsed ten feet extended six 2 feet sections with quickclamps weighs just 5 lbs mfj-1900 $69.95 mast base mount see left mfj-14 $59.95 extra set of 5 military quality uv protected quickclamps new mfj-915 rf isolator 24 converts unbalanced coax line to balanced ladder transmission line giant 2core 4:1 balun wound with teflonr wire 31/4x21/4x7 in heavy duty ceramic feedthru insulators 1500 watts full legal limit so-239 ground post mounting holes mfj w9inn balun box mfj-913/mfj-919 are true current baluns antenna center insulators that transform 200 ohms to traveling on the outside 50 ohms transmission line of your coax shield into your transtransformer construction using ceiver this unwanted stray rf can 100 ohm characteristic impedance cause painful rf bites when you transmission line gives flat 160touch your microphone or volume mfj-913 10 meter response low perme95 control cause your display or set ability ferrite cores so-239 staintings to go crazy lock up your transceiver ship code a less steel hardware with direct 14 or turn off your power supply in mobile gauge stranded copper wire connection to installations stray rf can be even more antenna heavy duty weather housing drastic it could cause your car to do funny mfj-913 handles 300 watts things or even blow your automobile s and is 41/2 hx2 diameter computer clear up these problems plug mfj-919 handles 1500 an mfj-915 between your antenna and watts sturdy cube mfj-919 transceiver and relax 5x2 inches heavy 1 95 shape housing 3 /2w duty weather protected pvc housing 1 1 x3 /2h x2 /2d in ship code a handles 1.5 kw covers 1.8-30 mhz true 4:1 current balun/center insulators 29 ship code a unwanted rf from 29 59 switchable 1:1 or 4:1 switchable 1:1 or mfj-911h 95 4:1 current balun/unun transmission line ship code a transformer uses lowpermeability ferrite cores to give amazingly flat response 1.8-30 mhz transforms 200 or 50 ohm balanced or unbalanced loads to 50 ohms change balanced to unbalanced with ground post 300 watts 21/2wx43/4hx1d inches current balun/unun 34 mfj-912 95 ship code b 69 true 4:1 current balun/unun transforms 200 ohm balanced and unbalanced loads to 50 ohms true transmission line transformer gives an amazingly flat response 1.8-30 mfj-911 95 mhz two low-permeability ferrite cores easily handles 300 ship code a watts change balanced to unbalanced with ground post 21/2wx43/4hx1d inches true 4:1 current balun/unun 24 66 mfj the world leader in ham radio accessories!

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