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Page 8 

Leading Particulars 

Leading particulars and equipment for the ProMaster antenna are listed in Tables 1-2. Operators should 
become thoroughly familiar with data and procedures contained in the entire technical manual before 
working on or using the antenna. 
 

Table 1-2 Leading Particulars 

ITEM 

LEADING PARTICULARS 

ProMaster 
 
Frequency range/Power rating in watts 
 
 
 
Polarization 
 
Input impedance 

 
 
3.5-30 MHz , 499 PEP SSB, 199 CW, or 99 Digital 
 
1.8-30MHz, 499 PEP SSB, 199 CW, or 99 Digital 
 
Horizontal and Vertical polarization 
 
50 ohms 

Azimuth 
 
Elevation 

Omnidirectional/Semi-Directional 
 
NVIS & DX 

Wind and ice 
 
Maximum Height erected 

System survives 85 MPH wind with no ice. 
 
24 Feet when mounted on the optional tripod or user 
supplied mast. 

Maximum Length 
 
Maximum Diameter 

42 inches 
 
Less than 9 inches 

 

 

 

Summary of Contents for ProMaster

Page 1: ...Page 1 Guide for the Model ProMaster Manufactured by Alpha Antenna 1 888 482 3249 Website http AlphaAntenna com User Guide Version 3 3 September 18 2019...

Page 2: ...NG ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this manual If you find any mistakes or if you know of a way to improve the procedures please let us know Mail or email us a marked copy to...

Page 3: ...formance in mind REMEMBER ELECTRIC 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 th...

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: ...verely limits the usefulness of vertical antennas for short range communications conditions become even worse for the skip zone in an adverse environment such as a hilly or forest type terrain This oc...

Page 6: ...a whip To negate the undesirable mode the vertical element is deployed simultaneously with the NVIS element The shape of the radiation pattern of the horizontally sloped NVIS element is essentially co...

Page 7: ...opposite the direction of the NVIS element which will be in the direction your Ground wire is run The NVIS element also enhances short range sky wave propagation which varies from 0 to 300 miles the...

Page 8: ...EM LEADING PARTICULARS ProMaster Frequency range Power rating in watts Polarization Input impedance 3 5 30 MHz 499 PEP SSB 199 CW or 99 Digital 1 8 30MHz 499 PEP SSB 199 CW or 99 Digital Horizontal an...

Page 9: ...lace the ground wire ring connector over the bottom bolt on the match Step 4 Install the mounting plate on your mast Step 5 Push the stake on the ground wire into an earth ground Step 6 Place the NVIS...

Page 10: ...olts that are circled below Step 4 Mount the vertical antenna element into the U Bolts opposite of those used to mount the aluminum mounting plate Here is where you will place the included rubber offs...

Page 11: ...h as circled below b Secure the ring connector in place with the included nut Step 7 Mount the aluminum hardware with fully assembled vertical element onto the mounting installation that was prepared...

Page 12: ...t If you have questions about your antenna please feel free to contact us Email support AlphaAntenna com Phone 1 888 482 3249 WEB www AlphaAntenna com Alpha Antenna 112 East Commercial Street Pleasant...

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