Tag " antenna"
03
Mar
Chinese Windtalk 2.3 MK-II Field Day Antenna for 40-20-10-6m. Bands.
Specifications:
Band: 40m/20m/10m/6m
SWR: ≤2.0
Impedance: 50 Ohm
Power: 100W PEP
Irradiator: 16#AWG
Outlet: SL16
Balun: 4:1
Package Size: 300×100×60mm
Weight: 0.695Kg
Price: 168.00 元
Link
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20
Feb
The AT4K is the tuner that built Palstar's reputation for high-quality and "Built-Like-A-Tank" durability. Unwilling to rest on our laurels, we decided that we could go one better. The AT5K takes power handling to the next level over the AT4K, coming in with a rating of 3500 watts single tone continuous performance with low losses & wide Z range. Bands coverage is 160m to 15m with limited Z range...
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18
Feb
RF HAMDESIGN Rotator RAK Controller Rot1PWM
A medium to heady duty rotator
Up to 3240 lb-inch / 336 Nm torque
Equivalent to G-1000/2800 but with digital control
Worm gear drive so precise stop with nil backlash
Supplied with digital controller
Future-proof firmware upgradable via PROM
Mast or head unit mounting with adaptor plate
The SPID RAK medium to heavy duty azimuth...
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06
Feb
Spotted in the MAKE Flickr Pool, this homemade fractal antenna for digital television signals by Roy Jacobsen of Fargo, ND. Instructions for, and discussions of, similar designs are available in this Instructable from William Ruckman. Judging from the comments over there, folks who have built their own fractal antennae are quite pleased with how they perform. But if you read this, Roy, we’d love...
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30
Nov
Chinese HF / VHF / UHF Antenna Analyzer (US Clone of MFJ-266)
General Description:
The AW07A is a self-contained handheld RF analyzer that performs the following diagnostic functions:
SWR (1:1 to 9.9:1)
Complex Impedance (Z = R + jX) Impedance Magnitude (Z = Ω) Capacitance (pF)
Inductance (uH)
Relative Field Strength (mV) Frequency (MHz)
The AW07A also generates a 2-dBm RF signal that...
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11
Nov
The MBD-8E is a remote control unit used to control antennas switchers. They have memory and band decoder. Each MBD-8E is able to control up to eight antennas through keys of momentary contact, illuminated by LED. By using two or more MBD-8E it's possible to expand to 16 antennas or more. The illuminated keys indicates the antenna in use (Ant1 to Ant8). Each key also allows graphical identification...
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11
Nov
KawAZ is the Azimuth angle calculation program for Radio Amateur
General
It is sometimes annoying us to accurately point the beam of antenna toward the target location. It is actually hard job for juggling with the antenna rotator, key, microphone, spitting dial tuning, logs, etc. in actual operation. KawAZ is the software to save such chaotic state and relief you from one of these hassles.
KawAZ...
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18
Oct
Frequency range: 1.8 ~ 30Mhz
Range of 45 ~ 55Ω input impedance
Initial tuning range of 5 ~ 30W power
Operating power range of 5 ~ 150W / PEP
SSB mode 5 ~ 100W / CW / FM tuner first time non-continuous mode, 1 to 8 seconds for 0.5 seconds
Memory tuning frequency 8000 range of 12.5 ~ 500Ω match
Frequency detection accuracy ± 1.5KHz (CW mode)
Matching inductor range 0 ~ 24.86uH (256 level)
Matching...
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16
Oct
Monitor 4 sensors simultaneously for peak, Average power and coax SWR.
Direct USB full speed interface.
Backlit LCD display for stand-alone operation- Your PC is optional.
Oscilloscope and Spectrum Analysis of the RF Modulation- Observe IM and "Splatter" frequency components realtime.
Complete system includes (1) sensor, WN-2 unit, AC power module and software on CDROM.
Wide range of sensors...
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15
Oct
