Stealth MagLoop antenna add-on for the 100W VHF UHF HF EmComm MagLoop Antenna enables 6 through 20 meters to be tuned for TX/RX with the following efficiencies when compared to a resonant dipole installed at 1/2 wavelength high.EfficiencyWith a total circumference of 2.18055 Feet, this magnetic loop antenna with a 0.32-inch conductor diameter exhibits the following calculated efficiencies.Efficiency ChartCenter Frequency of each BandS-Units loss from a resonant dipole installed at 1/2 wavelength highAntenna Efficiency6M, 52MHz0.62(-3.7 dB below 100%)10M, 28.85MHz1.87(-11.2 dB below 100%)12M, 24.94MHz2.22(-13.3 dB below 100%)15M, 21.225MHz2.60(-15.6 dB below 100%)17M, 18.118MHz3.00(-18.0 dB below 100%)20M, 14.175MHz3.62(-21.7 dB below 100%)REFERENCE CALCULATOR Small Transmitting Loop Antenna Calculator • 66pacific.comFor higher efficiencies on 15 to 40 meters, use the 100W VHF UHF HF EmComm MagLoop Antenna.Specifications Setup: Deployable in 60 seconds. Modes: This Stealth MagLoop add-on is especially useful on 6-20 meters for all-mode High-Q listening & SSB/CW/Digital weak signal TX operations. Usage Scenario: Placement on a table/desk inside a Covert and/or Emergency Response Vehicle, Office, Apartment, Camper, Tent, or anywhere else where space is limited.ResultsThe following signal reports are SSB contacts made from California over a 30-minute period, and while these are not ‘great signal reports’, they do get stronger the higher your frequency becomes:20-Meters: 5/3 N6FCM California, 5/3 KA6NPD California, 3/3 KC7DTR Utah, 5/2 N6WL California10-Meters: 5/5 K0MJ Kansas, 5/3 KC5NVZ Texas, 5/3 KS0MIK Kansas, 5/3 K0PJR KansasDEPICTION (ASSEMBLED)* Tuning Box NOT included.PARAMETERLEADING PARTICULARSOperating ParametersMAX POWER: 50W PEP SSB, 25W CW, 10W DigitalFREQUENCY COVERAGE: 54MHz to 14MHz (6M to 20M)IMPEDANCE: 50 ohmsUsage ParametersDIRECTIONALITY: Semi-DirectionalPURPOSE: NVIS & DXPhysical ParametersSIZE: 10-inch diameterMOUNT: Female 5/8-11″IP RATING: IP-53CONNECTOR: 50-ohm Female BNC
