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Table of Contents
Related Manuals for K1EL K45
Summary of Contents for K1EL K45
- Page 1 Product Reviews December 2022 K1EL K45 CW Modem...
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Page 2: Product Review
However, in addition to four pushbuttons, it was Morse key controls various options and settings in, Morse out. The K45 adds a USB port for a keyboard, through a set of menus. To call up the menus, press a four-line-by-20-character display with status indicators, followed by . -
Page 3: Audio Input
PC. Detailed instructions in the manual describe how to go about it. I have a 2014 HP desktop computer; I just plugged in the USB cable (supplied with the K45) and all was well. I also tried an inexpensive 120 V ac-to-USB plug converter, and again the unit ran well. -
Page 4: Lcd Display
K45 was positive; my QTH is about 50 miles from W1AW. Therefore, on 80 meters and sometimes 10 meters, W1AW was solid and error-free, as though I was in the W1AW shack in Newington, Connecticut. However, as expected, under poor conditions and high noise, the reader put out some random letters. - Page 5 In Summary keyboard by entering a command before a string, the There is a large set of capabilities in the K45 that you most efficient use of QRSS is to format a specific QRSS can select, modify, use, or not use. It is adaptable to just message.
- Page 6 Figure 6 — BuddiHEX unboxed. Figure 7 — Mastwerks mast unboxed. antennas offer approximately 8 dB forward gain at 30-feet elevation and approximately 15 – 20 dB front-to- back ratio. These figures provide meaningful improve- ments on reception and transmission over basic dipoles. The HEX-style beams use a center vertical feed-point (VFP) hub (see Figure 5) for element termination, six spreader arms, and tension cables.
- Page 7 that it weighs only 14.8 pounds for the 23-foot model, Table 1 — Buddipole BuddiHEX (HX6) which collapses down to 4 feet. It fits into the Sportube Portable Hexagonal Beam Antenna or in its carry bag. It also has a hand crank, which is Manufacturer advertised specifications (not tested by the ARRL lab) unique, because it allows rotation of the mast.
- Page 8 The wire elements are color coded and pre-tuned, and width that an antenna tuner is not required. Everything they are stored on the included line winders. The color- works as designed out of the box. On my first deploy- coded marks on the arms help to simplify the wire ele- ment, I used no tools or measuring tape and was trans- ment installation.
- Page 9 BuddiHEX Hacks I am also looking at adding a dual-band VHF/UHF antenna on the top of the VFP hub, which could allow me One modification I made immediately coverage of those bands as well. was to use some plumbing bits to make a mast adapter, which allowed The BuddiHEX bundle does everything I expected.
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Page 10: Building The Kit
WA3RNC TR-35 Table 2 Key Measurements Summary WA3RNC TR-35 CW Transceiver 20 kHz Reciprocal Mixing Dynamic Range (dB) Manufacturer’s Specifications Measured in the ARRL Lab Frequency coverage: Full coverage of the As specified. 20 m 40-, 30-, 20-, and 17-meter amateur band, with extended receive above and below. - Page 11 they will be used during assem- QS2212-Prodrev-H Lab Notes: WA3RNC TR-35 bly. Everything is extremely well Four-Band HF Transceiver –10 organized — no hunting through –20 The TR-35 tested to be a decently per- a pile of parts or guessing at –30 forming radio for its price class.
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Page 12: Connections And Controls
Figure 11 — The lower board has the RF and audio components. Figure 10 — The upper board contains the display and controls. The final amplifier FET is on its heatsink in the center of the board. When this photo was taken, the 16-pin connectors to join the two All of the toroids are pre-wound with tinned leads. - Page 13 and paddles for the internal keyer connected at the a polyfuse, a device that increases resistance as tem- same time and switch back and forth. The right side has perature increases over time, to fold back power if it gets a 3.5-millimeter jack for headphones or a speaker, along too hot.