M105C
10/11 Meter Maximum Beam
5 ELEMENT
www.macoantennas.net
M105C
PACKING LIST
UPARTU UQTYU UODU USIZEU ULENGTHU UDESCRIPTIONU UCHECKLIST
T52P 2 2” .050 ” 80” ALUM. TUBING SLOTTED ONE END ____
T53P 1 1.845” .050” 80” ALUMINUM TUBING ____
T32P 2 2” .050” 80” ALUM. TUBING SWAGED ONE END 6" ____
T11P 5 5/8” .050” 72” ALUM. TUBING SLOTTED BOTH ENDS ____
T04 2 ½” .050” 80.5” ALUMINUM TUBING ____
T01 8 ½” .050” 72” ALUMINUM TUBING ____
PO3P 1 ¼”x6” 8” PLATE 2” BOOM TO 2” MAST ____
V01P 1 1”x1” 18” VERTICAL GUY SUPPORT ____
WD2P 1 6/18 25’ STEEL GUY CABLE ____
G01P 1 GAMMA MATCH ____
Z08P 2 GAMMA STRAPS F/COAX CONNECTORS ____
S42 1 FEMALE COAX CONN. W/MOUNTING NUT ____
UHARDWARE BAG #1
U01 16 2” PLATED U-BOLTS ____
S01 16 2” PLATED SADDLES ____
N03 32 5/16” LOCK NUTS ____
UHARDWARE BAG #2
BE2P 5 2” BOOM TO ELEMENT MOUNTS ____
W58P 10 5/8” EXTRUDED ALUMINUM CLAMPS ____
S21 14 10-24 ½” MACHINE SCREWS ____
PL2 10 .437 PLASTIC CAPS – BLACK ____
N11 14 10-24 SQUARE NUTS ____
N18 2 5/16” EYEBOLTS – WITH (2) NO1 EACH ____
PL5R 1 2” PLASTIC CAP – RED ____
PL5 1 2” PLASTIC CAP – BLACK ____
EG3 4 EGG INSULATORS ____
EZ-55 10 1/8” CABLE CLAMPS ____
N12 3 #10 LOCK WASHERS ____
Z02P 2 GAMMA STRAPS ____
1 TIP SHEET ____
1 WARRANTY SHEET ____
1 INSTRUCTIONS ____
WHEN ORDERING PARTS, ALWAYS GIVE PART NUMBER AND DESCRIPTION.
YOU CAN ALSO ORDER MACO® PARTS & ACCESSORIES ONLINE AT
WWW.ANTENNAPARTSOUTLET.COM
Please note: In an effort to keep the price on Maco Anten nas dow n, we have decided not to clean up all
the burrs and rough edges on the parts. We recommend that you deburr and clean up each part with files,
sandpaper, etc. so that they go together easily. We are aware this needs to be done but have elected not to
do it to save you the money we would have to add to the price of the kit for this service.
Revised 09/28/2015
BLACK PLASTIC
PW
REFLECT0
CAP\
ED PLASTIC
DRIVEN ELEME
2” O.D. MAST
RED PLASTIC CAP
THIRD DIRECTOR
(PLSR)
DRIVEN
(CUSTOMER FURNISHED)
ELEMENT‘-
FIRST DIRECT0
FIGURE 1 GENERAL INSTRUCTIONS
This drawing shows a view of the antenna assembled. The
MlOSC
may be used vertically or
horizontally. These instructions and FIGURES 2 through 4 show the correct assembly instructions. It is
highly recommended that rope be put in the elements to prolong their life. All hardware should be tightened
securely, and then coated with silicon rubber sealant or similar compound to prevent loosening from wind
vibration.
Take care to locate all parts accurately per dimensions given. Complete each step as instructed before
going on to following steps.
Upon completion of assembly, install the red plastic cap (PL4R) on the director end of the antenna,
and the black plastic cap (PL4) on the reflector end. This will allow you to determine at a glance the direction
of transmit and receive.
M105C
2
(T32P)
2”
U-BOLTS (UOI)
‘\ 2”
SADDLES (SO I)
‘S/l
6 LOCKWASHER (N02)
5116 HEX NUT
(NOI)
\
\
\
CENTER
BOOM SECTION (Tg2.P)
‘\
VERTICAL GUY SUPPORT
(VOIP)
/”
‘,,
.’
/
c-
-BOOM- \
,x
TO-MAST
PLATE
(PO I P)
/’
tL.~H
@ii+
\
\
\
\
\
CENTER BOOM
&-------------
2” U-BOLTS
\ 2”
SADDLES
S/l
6 LOCKWASHER (NOZ)
S/I6
HEX NUT
(UO
iSO
I I
I j
(NOI)
-------
SECTION
,--BOOM
(T52P)
COUPLER
SECTION
(T53)
-----
FIGURE 2 BOOM ASSEMBLY
First mark the center of the boom coupler
(T53),
then slide the unslotted ends of the center boom
sections (T52P) over each end of the coupler so they butt at the center mark.
Attach the boom-to-mast plate (PO
1P)
and the vertical guy support (VO
1P)
at the boom center using
2” U-bolts, saddles and hardware as shown in Figure 2A. Be sure to slip the 2” U-bolt for attaching the guy
support over the boom before securing the mast plate (POlP).
Slide the swaged ends of the end booms sections
(T32P) 5”
into the slotted ends of the center boom
section and secure in the same manner as above. The overall length of the boom should be approximately
309”. If not, adjust the end sections equally until the overall length is at least 309”.
3
M105C
Please read the Assembly and Troubleshooting Tips at the
end of this instruction booklet before assembling elements.
I
BLACK
fPL21
112”’ O.D. TUBING
(To I fTO4P)
MACHINE SCREW
2”
U-BOLT
,
2”
BOOM-TO-ELEMENT MOUNT(BE2P)
LOCKWASHERS (N02)
HEX NUT (NOI)
(UO I )
SADDLE (SO I
(S2
I)
)
I
i
S/B” 0 D. TUBING
I/
(TI IP)
,-mm--
FIGURE 3
ELEMENT ASSEMBLY AND MOUNTING
Select a frequency in the center of where you work from the chart on page 7 and follow across for
element dimensions “A” &
slotted end of the
at the specified
5/8”
overall length (Dimension “A”) as shown in Figure 3B. Verify the overall length.
“B”.
To assemble the elements, slide a piece of l/2” O.D. tubing
O.D. center section
(Tl 1P)gg
(TOl)
into each
Allow equal lengths (Dimension "B") on each end to arrive
Slide a boom-to-mast mount (BE2P) to the center of each element before securing the joints with
clamps and hardware as shown in Figure 3A.
Install elements on boom per dimensions in Figure 1, with U-bolts, saddles, and hardware as shown
in Figure 3B. Mount the first reflector with the u-bolt facing the rear, mount its mate with the u-bolt facing the
front of the beam - the horizontal and vertical elements should be close together at 1/4" apart. Do this for all
the elements.
M105C
BOOM-TO-MAST PLATE
WITH BOOM ATTACHED
(PO1 P)
2” U-BOLTS
SADDLES
5/l 6”
NUTS
5/16” LOCKWASHER
EYEBOLT (N18P)
SECURE WITH THESE NUTS
AFTER TENSIONING
TENSION GUYS WITH THES
EGG INSULATOR (E
VERTICAL GUY SUPPORT
(UOl)
(Sol)
(NOl)
2”
O.D. MAST
(CUSTOMER FURNISHED)
GUY CABLE
CUT OFF EXCESS
WRAP FIVE OR MORE TIMES
(WDZP)
FIGURE 4 GUY ASSEMBLY
Cut four pieces of guy cable
(NO 1) onto each
ofthe
eyebolts (N18). Turn thenut all the way to the eye; as far
.762M
(30”) and two pieces 2.082M (82”). Assemble
asit
will go with light pressure
5/16”
hex nut
only. These will be used to secure the eyebolts after guy tensioning.
Install
a hex nut about six turns onto each
Install a egg insulator
Take two of these cables and install one on each eyebolt leaving
eyebolts
into the top holes of the vertical guy support
(VOlP) -
eyebolt.
(EGl)
on one end of each
.762M
(30”) guy cable and wrap it five or more times.
.304M
one eye each direction. Thread
(12”) between the egg insulator and
the eyebolt, wrap it five or more times and cut off the excess. Take the other two cables with insulators and
wrap each around the boom just in front of the clamp as shown in Figure 4A. Wrap and cut off excess.
Using the remaining two pieces of cable, take one end and thread it through the top egg insulator.
Wrap and cut off excess. Thread the other end through the lower insulator and pull tight enough to remove
slack only. Wrap and cut off excess.
Tension guys by tightening the nuts on the ends of the eyebolts.
Secure with the nuts on the opposite
end near the eye.
Line the elements up with the use of a level or any other workable method.
Double check the spacing
dimensions and make sure the elements are centered in the boom-to-element clamps. Tighten all hardware
taking care to line the elements up with the use of a level.
Check your measurements and make sure the
elements are centered on the boom.
5
M105C
CB FREQUENCIES (11 METER BAND)
CHANNEL FREQUENCY
l-3
4-7
8-l 1
12-I 5
16-I 9
20-25
26-29
30-34
26.965126.985
27.005127.035
27.055127.085
27.105/27.13E
27.155127.185
27.205127.245
27.265127.295
27.305127.345
REFL
“A”
5.638~
(222”)
5.638~
(222”)
5.638~
~ (222”)
~ 5.613~
~ (221”)
5.613M
~
(221”)
5.613M
(221”)
5.588~
(220”)
5.588~
(220”)
iCTOR
“B”
1.69%
(75”)
1.699M
(75”)
1.699M
(75”)
1.686M
(74.5”)
1.686M
(74.5”)
1.686M
(74.5”)
1.674~
(74”)
1.674~
(74”)
DRIVEN
5.334~ 1.752~
(210”)
(69") (201”) (64.5”) (199”) (63.5”) (197”)
5.334M 1.739M 5.105M
)
(68.5”) (201”) (64.5”) (199”) (63.5”)
5.308~
(209”)
5.283~ 1.727~ 5.080~ 1.625~
(208”) (68”) (200”) (64”)
1.739M
(68.5”) (200”) (64”)
1 st DIRECTOR
5.105M
5.080~ 1.625~
1.625~
1.625~
2nd DIRECTOR
5.054M
5.054M
1.612~ 5.003~
1.612~
5.029M
(198”)
1.600~
(63”) (196”)
5.029M
(198”)
1.600~
(63”) (196”)
3rd DIR
4.978M
(196”)
4.978M
4.978M
1.574M
(62”)
1.574M
(62”)
1.574M
(62”)
35-39
40
27.355127.395
27.405
nd DIRECTOR
5.562~
(219”)
5.562M
(219”) (73.5”)
1.661~
(73.5”)
1.661~
5.283~ 1.727~ 5.080~ 1.625~ 5.003~ 1.587~
(208”) (68”)
5.283~ 1.727~
(208”) , (68”) , (199”)
(200”)
5.054~
1.612~ 5.003~ 1.587~
,(63.5”), (197”)
(64”) (197”)
(62.5”) (195”)
, (62.5”) , (195”)
AMATEUR FREQUENCIES (IO METER BAND)
4.953M
4.953M
1.562~
(61.5”)
1.562~
(61.5”)
M105C
I
(185”) (56.5”) (188”) (58”) (179”) (53.5”) (178”) (53”)
6
* m:
THESE DIMENSONS ARE APPROXIMATE.
REFER TO THE INSTRUCTIONS ON ADJUSTINNG THE
S.W.R. TO DETERMINE EXACT SETTINGS. THERE
ARE2 SEPARATEGAMMA ADJUSTMENTS, 1. CAPACITOR ADJUSTMENT, 2. SLIDER POSITION.
DO NOT MOVE BOTH AT THE SAME TIME. MOVE
THE CAPACITOR FIRST, THEN, IF NECESSARY MOVE
THE SLIDER, AND GO BACK TO THE CAPACITOR.
S21,
Nil, N12-7
#l
O-24 x
LK. WSHRS & SQ.
NUTS
l/2”
SCRE
DRIVEN
S21,
Nil,
N12
COAX
CABLE
and attaching
ZO2P
GAMMA STRAPS
(SLIDER)
FIGURE 4
Mount the gamma match (GO
GAMMA MATCH MOUNTING
1P)
to the driven element, using the gamma straps
3:PLASTl!f:zR
WASHER
3/8 FLATWASHER
-
GO1 P GAMMA MATCH
1
(ZO2P, ZOSP)
hardware as shown. Attach your 52 ohm coaxial cable to the connector (S42) and dress along boom and down the
mast. The gamma is shown pointing down - this is to let water out.
ADJUSTING THE STANDING WAVE RATIO
(SWR)
Refer to Figure 4. The dimensions given are approximate and should be used as a starting point.* The gamma
match has 2 adjustments. First is the capacitor adjust and second is the slider adjust. Connect a SWR bridge coax
between your transmitter and the antenna and check the SWR.
gamma match and the screws holding the slider (gamma straps
If adjustment is required, loosen the clamp on the
(ZO2P)).
Next move the capacitor adjustment first one
direction, then the other until a minimum SWR reading is obtained. If SWR is not yet satisfactory, move the slider
out 2” away from the boom.
Ifthe reading has gone up move the slider
backto
the original position and
then2”
towards
the boom. Now readjust the capacitor for minimum SWR. You should now be able to determine which direction to
move the slider.
Repeat the above procedure moving the slider in smaller increments until a satisfactory SWR is
obtained. Tighten all hardware. Disconnect the SWR bridge and reconnect your coaxial cable.
NOTE!
When assembling for vertical use, set antenna on a pole about 8 to 9 feet above the ground horizontally and
adjust SWR to 1.7. When you turn the antenna vertical and mount it on the tower, etc., the SWR will drop to 1.4 to
1.5. This is good; QUIT!
Antenna results best if vertical antenna clears the top of the tower.
7
M105C
Installing and rigging towers, masts and antennas require specialized skills and experience. Information
ACO
supplied by M
similar products before. No one should attempt to install towers or masts without these knowledgeable skills.
MACO assumes no liability if faulty or dangerous installation practices are used. There are available, trained
and experienced personnel to assist in installation, maintenance, or disassembly. Contact your local installer if
consultation or assistance is required.
All tower and antenna installations should be thoroughly inspected at least twice a year by qualified,
experienced, and trained personnel to insure proper performance and safety standards.
An additional warning precaution is given to be careful of surrounding high voltage power wires and other
electrical hazards during installation of your tower, rotor, or antenna.
assumes that all products will be installed by personnel having these skills and have installed
Do not erect a tower, rotor, or antenna during an electrical
storm, rainstorm, or when lightning is a possibility.
www.macoantennas.net
(815) 244-3500
MACO Antennas is a Division of Charles Electronics, LLC
Revised 09/12/10
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