Orginele Italiaanse I3 VHF midi loop

Hierbij biedt ik voor de liefhebbers te koop aan mijn mooie midi loop werkt uitstekend. Maar als je ruimte hebt is er beter. En ik ben in de gelukkige situatie dat ik de ruimte heb.

Electrical specifications
Continuous frequency coverage 3.5-14.5 MHz
S.W.R. 1.2:1 (typical)
Front to back ratio: 6 dB
Front to side ratio: 25 dB
50 Ohm input with gamma match short circuited
(electrostatic discharge protection)
Negligible noise and harmonics
L = 4.5 μH Q = 1.500 a 3.5 MHz
C = 560 pF a 14 KV r.m.s.
Power rating: 300 W from 3.5 to 7 MHz
800 W from 8 to 14.5 MHz
Bandwidth: 4 KHz @ 3.5 MHz
6 KHz @ 7.0 MHz
10KHz @ 14.0 MHz
Gain compared to /2 dipole (1 point "S" = 6 dB):
- 4 dB @ 3.5 MHz
- 0.3 dB @ 14.0 MHz
Mechanical specifications
Antenna diameter 2.0m (78.7in)
Aluminium alloy 60/60 T.I.G. welded (Tungsten Inert Gas)
Tubular elements Ø 75 x 2mm thickness (2.9in x 0.08in)
All stainless steel hardware and support pin
Stainless steel mounting clamp for a mast of Ø 50÷ 60mm (2.0in – 2.3in)
Net/gross weight 20/32kg (44.1lbs/70.5lbs)
Windload 0.5m2 (5.38ft2)
Maximum wind velocity supported 161km/h (100mph)
Force exerted on antenna by wind of 129km/h (80.15mph) = 480 N
Maximum flexibility on the antenna base anchoring point to a metal mast Ø 6cm (2.36in) height 3.5m (11.48in) =
1680N/m
Note: C.E.I. regulations require the installation of wind-guys for areas of high wind with possible ice formation (in this case
NON metallic guys)