PRODUCT REVIEW Yaesu FT-8800R Dual-Band FM Transceiver Reviewed by Joe Carcia, NJ1Q W1AW Station Manager Whenever I get a radio for review, I try to find out what would be different about this particular rig. Is it a dual-bander or...
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Table 1 procedure is completed, the radio defaults with the 70 cm band on the right side (and Yaesu FT-8800R, Serial Number 4K260159 makes it the operating band) and 2 meters Manufacturer’s Specifications Measured in ARRL Lab on the left. I depressed the left band but- Frequency coverage: Receive, 108-520, Receive and transmit, as specified.
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Figure 2—A view of the size of the FT-8800R buttons compared to a US quarter. the user is notified of this. If the reply isn’t received, the radio beeps and dis-...
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FT-8800R 70 cm input side of the removable front panel, a plus pluses. Oh yes—it works real well as a frequency, I was able to key up the ’8800R...
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Our Test Approach We tested each unit in the ARRL Lab using some of the same calibrated loads that we use to test antenna tuners. In ad- dition, we added in some samples of com- plex (reactive) loads. For each load we note the actual value and measured value at a representative set of frequencies.
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Table 3 lent resistance and reactance (in addition to the commonly available series values), Impedance and SWR Measurements of Test Samples λ frequency at which the cable is Compared to Laboratory Reference long—antenna impedance, calculated based on measurement at end of cable. Load Frequency Autek VA1...
Table 4 Antenna Analyzer Feature Comparison Model Frequency Range ±X* Freq Digits Counter** Calculations Price Autek VA1 0.44-34 MHz $199.95 MFJ-269 1.8-170, 415-470 $359.95 BR-210 1.8-170 MHz $429.99 ZM-30 1-30 MHz $349.00 *Ability to determine sign of reactance. **Frequency counter available for use independent of other analyzer functions. few different analysis options.
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advantage of the available precision be- one of its four modes, it shows four data frequency more quickly and then go back cause of the delay between counts of the elements on its LCD screen: frequency and spot check for sign as needed. frequency counter.
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SHORT TAKES Weather Display Reviewed by Stan Horzepa, WA1LOU packet data and pass it on to my APRS station’s TNC via the Editor, “Digital Dimensions” second COM port of my laptop. 1 Glen Ave, Wolcott, CT 06716-1442; wa1lou@arrl.org In addition to outputting data for APRS packets, Weather Dis- play may be optioned to output data to the Internet in various Amateur Radio operators are a technical bunch and as a result, formats for various purposes.
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