Tuesday, August 2, 2011

MFJ-9200


The MFJ-9200 is a bold new addition to MFJ’s legendary QRP transceiver line, delivering unmatched six-band CW performance in a compact pocket-sized package. QRP radios have always been small in size, but thanks to direct-digital synthesis and microprocessor technology, the MFJ-9200 represents a quantum leap over traditional designs with an unprecedented number of features for a very affordable price.

The MFJ-9200 covers 80 through 15 Meters using computer-modeled plug-in filter modules that yield no-compromise receiver performance and solid QRP+ transmit power on every band. There’s also built-in iambic keying with a manual-key sensor, a programmable CQ message, and seamless QSK T/R switching. DDS frequency control delivers rock-solid stability, precise 100-Hz readout, and eight memory channels per band. Plus, you get a choice of three main-dial tuning rates and RIT with 10-Hz tuning resolution.

Other features include selectable IF-band-width for monitoring SSB or CW, a 20-dB front-end attenuator for overload protection, and a switched backlight for the LCD display. There’s also plenty of receiver overlap for monitoring international short wave broadcasting.

MFJ-9200 runs on any power source between 8 and 15 VDC and draws a miserly 40 mA on receive with the display backlight turned off — perfect for prolonged off-the-grid adventures. Best of all, the QR-Pocket Radio is the smallest and lightest backpack transceiver currently available.

MFJ also offers a wide range of QRP accessories to compliment the MFJ-9200 QRPocket CW TransceiverTM. For example, the MFJ-561 Miniature Iambic Paddle is a perfect companion when you’re traveling light.

Also, consider picking up a pair of MFJ-392B light-weight stereo headphones for cushioned comfort and clear sound during those long QRP contest sessions.

For off-road adventure, check out MFJ’s line of Walkabout portable antennas that plug directly into the QRPocket CW Transceiver’s BNC connector. MFJ-1899T, (see left) features 80 through 6 Meter coverage with a “wander-lead” tapped loading coil and collapsible 52-inch whip. Requires MFJ-7703, BNC to BNC elbow connector.

For mono-band coverage, consider the collapsible MFJ-1880T, MFJ-1840T, MFJ-1830T, MFJ-1817T, or MFJ-1815T.

For random wire antennas, try the popular MFJ-902 miniature travel tuner.

Finally, when operating at home with your feet up, plug in the MFJ-4103 miniature switching power supply.

The MFJ-9200 QRPocket CW Transceiver comes complete with one band module of your choosing, and modules for the other bands.

Transceiver operation is intuitive, easy-to-master, and clearly explained in an easy-to-understand manual written by popular author and QRP Hall of Fame member Rick Littlefield, K1BQT.

We all know working rare DX is exciting, but being rare DX is a truly indescribable!

Given the MFJ-9200 QRPocket CW Transceiver’s diminutive size, features, wide coverage, and solid output, all of the ingredients are here to turn your next vacation or business trip into a expedition to remember!

Specifications:

Frequency Control: DDS, 60-MHz reference frequency Tuning Step: 100-Hz, 1-kHz, and 100-kHz RIT Step: 10-Hz VFO Memories: 8 per band VFO Display: LCD, 802-pixel, switched backlight VFO Display Frequency Resolution: 100-Hz, 10-Hz with RIT activated Operating Modes: Transmit – A1 (CW), Receive – A1, A3J (LSB or USB) CW Offset: ~700 Hz T/R Switching: Full QSK Frequency Coverage, MHz: Band:

80-M Receive: 3.2-4.9 Transmit: 3.5-4.0

40-M Receive: 5.9-7.5 Transmit: 7.0-7.3

30-M Receive: 9.4-12.1 Transmit: 10.1-10.15

20-M Receive: 13.5-15.8 Transmit: 14.0-14.35

17-M Receive: 17.4-19.1 Transmit: 18.068-18.168

15-M Receive: 18.5-22.0 Transmit: 21.0-21.45

Receiver MDS: 0.1-uV, all bands AGC Threshold: 3 to 5-uV, all bands Bandwidth: Selectable, 600-Hz CW, 2.5-Hz SSB Audio Output: 100-mW, 8-Ohm load, stereo plug Receiver Current Drain: ~40-mA no backlight, ~80 mA with backlight Transmitter Keying: Iambic automatic, straight-key sensing, CQ memory Speed Range: 3-45 WPM Transmitter Power: 5-W or better, all bands, at 12.6 Volts Harmonic and spur suppression: -50 dB or better, all operating voltages Typical Transmit Current: 0.9-A at 10-V, 1.2-A at 14-V Supply Voltage: 8-15 VDC at 1.5A Dimensions: 4.8″x3.15″x1.34″, 120x80x34-mm Weight: 7.4 oz, 200 gm

Price: $249

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Counter Added January 1, 2011

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HOW TO READ PROPAGATION NUMBERS

The A index [ LOW is GOOD ]

  • 1 to 6 is BEST
  • 7 to 9 is OK
  • 11 or more is BAD

Represents the overall geomagnetic condition of the ionosphere ("Ap" if averaged from the Kp-Index) (an average of the eight 3-hour K-Indices) ('A' referring to amplitude) over a given 24 hour period, ranging (linearly) typically from 1-100 but theoretically up to 400.

A lower A-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Ap-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

SFI index [ HIGH is GOOD ]

  • 70 NOT GOOD
  • 80 GOOD
  • 90 BETTER
  • 100+ BEST

The measure of total radio emissions from the sun at 10.7cm (2800 MHz), on a scale of 60 (no sunspots) to 300, generally corresponding to the sunspot level, but being too low in energy to cause ionization, not related to the ionization level of the Ionosphere.

Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; Solar Flux rarely affects the 30, 40, 60, 80, & 160 Meter Bands.

K index [ LOW is GOOD ]

  • 0 or 1 is BEST
  • 2 is OK
  • 3 or more is BAD
  • 5 is VERY VERY BAD

The overall geomagnetic condition of the ionosphere ("Kp" if averaged over the planet) over the past 3 hours, measured by 13 magnetometers between 46 & 63 degrees of latitude, and ranging quasi-logarithmically from 0-9. Designed to detect solar particle radiation by its magnetic effect. A higher K-index generally means worse HF conditions.

A lower K-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Kp-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.

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