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Option C – Mobile Deployment 

When mobile or stationary mobile HF communications are required, these Mobile 
Deployment options can be used. 

Option C.1 – Instructions 

Configuration a) When operating mobile: 
Step 1 – Install JAM-2.1 to a high stable metal part of your vehicle. 
Step 2 – Insert MOTOWHIP-2.1 into MOTOFRL-2.1 and tighten the hex nuts on 
MOTOFRL-2.1. Screw MOTOFRL-2.1 into MOTOSPRG-2.1. Screw MOTOSPRG-2.1 
onto MTCH-2.1. 
Step 3 – Remove the extra stainless steel nut located at the bottom of the MTCH-2.1. 
Insert the 24x3/8 stud in the hole of the Alpha Antenna Jam Mount and replace the nut. 
Use two wrenches to ensure the bottom nut is tight & DO NOT twist the MTCH-2.1 while 
tightening; all the while holding the other nut with the other wrench. 
Step 4 – Attach your coax from your wide-band tuner to the SO-239 on the MTCH-2.1.

 

Configuration b) When operating stationary mobile: 
Step 1 – Install JAM-2.1 to a high stable metal part of your vehicle. 
Step 2 – Remove the stainless steel nut located at the bottom of the MTCH-2.1. Insert the 
24x3/8 stud in the hole of the Alpha Antenna Jam Mount and replace the nut. Use two 
wrenches to ensure the bottom nut is tight & DO NOT twist the MTCH-2.1 while 
tightening; all the while holding the other nut with the other wrench. 
Step 3 – Place the GND-2.1 ring connector over the bottom bolt on MTCH-2.1 
Step 4 – Place the NVIS-2.1 ring connector over the top bolt on MTCH-2.1 
Step 5 – Assemble MLSTK-2.1.XX & screw it into the top of MTCH-2.1 
Step 6 – Attach your coax from your wide-band tuner to the SO-239 on the MTCH-2.1. 

Option C.2 – Image 

Configuration a)

 

Configuration b)

 

Summary of Contents for Alpha Multiband Antenna

Page 1: ...Page 1 User Guide for the Tuner Free Directional Alpha Multiband Antenna Manufactured by Alpha Antenna 1 888 482 3249 Website http AlphaAntenna com User Guide Version 2 2 June 9 2017...

Page 2: ...w Mount Deployment 14 Option B 1 Instructions 14 Option B 2 Image 14 Option C Mobile Deployment 15 Option C 1 Instructions 15 Option C 2 Image 15 Support 16 REPORTING ERRORS AND RECOMMENDING IMPROVEME...

Page 3: ...POWER LINES AND PHONE LINES LOOK ALIKE FOR YOUR SAFETY ASSUME THAT ANY OVERHEAD LINES CAN KILL YOU 3 Call your electric power company Tell them your plans and ask them to come take a look at your prop...

Page 4: ...blishes safe operating distances from antennas associated power levels in order to permit the operator and persons who may be impacted by operation to exist in a safe environment Guidelines for Maximu...

Page 5: ...e soil conductivity decreases or as the foliage increases the signal strength at a distance decreases rapidly The important consideration for communications is not the value of signal level but the si...

Page 6: ...und the amount of the input power radiated proportionately in each of these modes is a function of the relative percentage of the antenna input resistance characterizing each mode Each of these in tur...

Page 7: ...teristics JWMNT 2 1 The stainless steel Jaw Mount that the MTCH2 1 can mount upon GND 2 1 Ground wire that attaches to the bottom bolt of MTCH 2 1 MSTMNT 2 1 The top of mast mount that the MTCH2 1 can...

Page 8: ...radios on the frequency range of 3 5 to 29 7 MHz 54 0 MHz when mounted on the tripod options with a maximum RF power of 500 watts PEP SSB 250 watts CW or 100 watts digital SWR The following two analy...

Page 9: ...Page 9 SWR Analysis on Tripod...

Page 10: ...Page 10 SWR Analysis on Jaw Mount...

Page 11: ...ts Input impedance 3 5 29 7 MHz 54 MHz when mounted upon an optional tripod Horizontal and Vertical polarization 500 PEP SSB 250 CW or 100 digital 50 ohms Radiation Pattern Azimuth Elevation Omnidirec...

Page 12: ...of MTCH 2 1 to enhance your operating experience Disassembly Procedures Disassembly is performed in the reverse order of assembly Wire elements should be disassembled by recoiling those radiating ele...

Page 13: ...Important Note We recommend supporting the tripod with your own guy ropes Step 3 Place the GND 2 1 ring connector over the bottom bolt on MTCH 2 1 Step 4 Screw the MTCH 2 1 in place onto adapter on th...

Page 14: ...the bottom stainless steel bolt of MTCH 2 1 Step 3 Screw the MTCH 2 1 in place onto JWMNT 2 1 Step 4 Push the stake on GND 2 1 into an earth ground Step 5 Place the NVIS 2 1 ring connector over the t...

Page 15: ...while holding the other nut with the other wrench Step 4 Attach your coax from your wide band tuner to the SO 239 on the MTCH 2 1 Configuration b When operating stationary mobile Step 1 Install JAM 2...

Page 16: ...s or problems with your Alpha Antenna please contact us You can reach us via Email support AlphaAntenna com Phone 1 888 482 3249 Web www AlphaAntenna com Our mailing address is Alpha Antenna 112 East...

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