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Freebander
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Registered: 03-2013
Location: Germany
Posts: 28
Karma: 1 (+1/-0)
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Magnetic-Loop [AMA Antenna] for self-build!


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My new Antenna is Magnetic-Loop (self-build) Frequency Range from 21-30MHz with Gamma Match. With 2 Loops for lower Frequency 3MHz-8Mhz (ideal for 85m - 29m Band)

Specifications:
Extent: 2,89 mtr (Copper Pipe)
Diameter: 22mm
Variable Capacitor: 7-71 pf
Distance Plates: 3mm (Split = 6mm)
Stup: Brass 4mm / 1 Mtr.
Distance to Pipe: 4cm
Transmitting Power: 250 Watt max!

SWR: 1:1,3
Bandwidth: 20khz / readjust new Frequenzy

Software: [sign in to see URL]

Price for all is 90 EUR

Works better as my 1/2 Dipole!

Next Time with remute for readjust.

Pictures of my workshop:

Pic 1:
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Next Time work with this new Antenna an i raport this her.

THX and best regards
13FB006 (Germany)

Edit: My Rig is YAESU FT-840 Antenna: 1/2 Dipole (40 meters above ground) Super Antenna MP1 (7-30 MHz) and Magnet Loop (NEW) Antenna Tuner Annecke (10-15-20 Mtr Band)

Last edited by dlec, 3/Apr/2013, 2:17 am
2/Apr/2013, 7:56 pm Link to this post Send Email to dlec   Send PM to dlec Blog
 
lfarah Profile
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New Kid On The Block
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Registered: 09-2015
Posts: 1
Karma: 0 (+0/-0)
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Re: Magnetic-Loop [AMA Antenna] for self-build!


This is not a antenna ! This is a "obra de arte"
28/Sep/2015, 1:07 am Link to this post Send Email to lfarah   Send PM to lfarah Blog
 


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