Ten-Tec touted new and improved front-end sensitivity, VFO/PTO and an indicator light for RIT (receiver incremental tuning) operation. The Model 515 sports an all-black case and front panel. Although essentially identical in size from its predecessors, there was a major departure in appearance. The third Argonaut, the Model 515, debuted 1978. Used prices typically range from $150 to $275, depending on condition. The Argonaut 509 was manufactured in substantial quantities and can be a very good used choice for the beginning QRPer. Enhancements included a "hotter" receiver. Its successor, the Argonaut Model 509, debuted in 1973, looked almost identical to the original Argonaut 505. Ten-Tec's advertising summarized it as "all the features you want in a 6-pound package of 1/5 cubic foot." The RF power amplifier was a broadband design that required no tuning as the user changed bands-a concept almost unheard of in radios of that age. This changes the inductance of the coil and, thus, the frequency.
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As the user changes frequency, a threaded shaft moves a powdered-iron core into or out of a coil. The VFO was designed around a permeability-tuned coil oscillator (PTO). The receiver was a single-conversion 9-MHz IF superhet design using dual-gate MOSFETs, a four-crystal cascade lattice filter. Power output was 3 and the retail price $288.Ĭonstruction featured plug-in modules for each section of the transceiver.
Ten tec pegasus for sale full#
The Argonaut 505 offered all-solid-state design, CW and SSB, 80-10 meter coverage, full break-in keying (QSK), a compact package (HWD 4½x13x7 inches) and the ability to operate from a 12-V battery.
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Later described as the Argonaut Model 505, the rig was quite an accomplishment for its era. The exterior featured an eggshell-white front panel, black lettering and wood-grain laminate top and side panels. Ten-Tec introduced the first Argonaut in 1971 (see "The Second Coming of the Argonaut" CQ, Nov 1971). Variants included additional bands and features.
Ten tec pegasus for sale series#
The PM series was available in three main models (PM-1, PM-2 and PM-3). These modules also were used as the basis for Ten-Tec's "Power Mite" (PM) series of solid-state CW transceivers. In 1969 the company produced a series of modules that hams could use as building blocks in assembling a solid-state low-power (ie, QRP) CW radio. In 1968, Al Kahn, K4FW, and Jack Burchfield, K4JU, founded Ten-Tec. This month's column will explore the Argonaut line and its lineage. The Ten-Tec Argonaut series has also been an odyssey, with five generations and a few tangential relatives. The travels of Jason's Argonauts' were an odyssey-a long wandering or voyage usually marked by many changes of fortune. Similar to the Argo's simple predecessors, the Ten-Tec Argonaut radio series predecessors consisted of small homebrew and kit QRP radios (often single-band, separate transmitters and receivers and CW-only.) The first Ten-Tec Argonaut was a QRP milestone that combined receiver and transmitter into a solid state, CW and SSB, multiband transceiver package. They were called the Argonauts, from the name of their vessel. Jason sent his invitation to all the adventurous young men of Greece and soon found himself at the head of a band of bold youths, many of whom afterward were renowned among the heroes and demigods of Greece.
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It was accomplished, however, and the vessel was named Argo, from the name of the builder. When Jason employed Argus to build him a vessel capable of containing fifty men, it was considered a gigantic undertaking. At that time, the only species of navigation known to the Greeks consisted of small boats or canoes. Jason was pleased with the thought and forthwith made preparations for the expedition. T was suggested to Jason that he undertake the glorious adventure of going in quest of the Golden Fleece. With the recent introduction of Ten-Tec's Argonaut V, let's explore the entire family of Ten Tec's premier low-power radio- the Argonaut and its relatives.Īccording to Bulfinch's Mythology, in ancient Greece: QRP Community: The Odyssey of the Argonauts