USED HAM RADIO EQUIPMENT : RADIO EQUIPMENT
Used Ham Radio Equipment : Digital Photo Lab Equipment : Pictures Of Studio Equipment
Used Ham Radio Equipment
- Radio equipment, as defined in Federal Information Management Regulations, is any equipment or interconnected system or subsystem of equipment (both transmission and reception) that is used to communicate over a distance by modulating and radiating electromagnetic waves in space without
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Yaesu FT-7900R Mobile Dual-Band Amateur Ham Radio 50W/45W VHF/UHF Transceiver
Dual Band VHF-UHF Amateur Radio mobile Transceiver.
* 50W VHF, 45W UHF, (with selectable 20W, 10W & 5W settings).
* Xmit 144-148Mhz & 430-450Mhz. Receives 108-520Mhz & 700-999Mhz (except cellular band).
* Features AlphaNemeric Display, 1000 channels, lighted microphone w/ direct freq entry.
* Includes 12Vdc power cord, mounting bracket and Face separation kit.
* Requires suitable optional Dual Band Amateur antenna.
Can be used as a Base staton with an Optional 14A or higher 13.8Vdc regulated power supply.
Early Play-by-Play Radio Broadcast of College Football Game
In 1920, David J. Finn and other Texas A&M electrical engineering students attempted to broadcast the football game at Oklahoma A&M via ham radio. When the plan failed they used a telephone backup, relaying game updates to fans gathered in the Texas A&M stock judging pavilion.
The following year, students at campus wireless station 5XB planned to transmit live play-by-play accounts of the conference championship against the University of Texas. William A. Tolson and other students overcame technical difficulties to make the broadcast possible. They ran lines from the Kyle Field press box to a transmitter at Bolton Hall and borrowed equipment from the Corps of Cadets Signal Corps. They installed three redundant systems: two connected to the power plant and a battery backup. Harry M. Saunders and the coaching staff devised abbreviations to describe the action and improve transmission speed. "TB A 45Y," for example, signified "Texas ball on the Aggie 45 yard line."
On game day, November 24, 1921, the broadcast was flawless with Saunders at the telegraph key. At station 5XU in Austin, Franklin K. Matejka relayed messages to Longhorn fans seconds after each play. Amateur radio operators across Texas also followed the action. The game ended in a scoreless tie, but A&M became conference champion. The following year, 5XB became WTAW, and several of the students went on to distinguished careers in engineering, broadcast technology and related fields. By days, the experiment missed being the first such achievement in the U.S., but it is believed to be the first in Texas. Ingenuity and innovation resulted in a pioneering broadcasting accomplishment.
My APS-13 Antenna and Triband vertical
The top of the setup is around 45' in the air.
The APS is 200" long, and the Vertical antenna about 10' long. The APS-13 is fed via RG-6 cabling, and the CX-333 LMR-400 cable.
Most distant stations heard regularly:
South: 101.9 WIKS New Bern, NC (328 miles)
West: 100.5 WYJK Bellaire, OH (327 miles)
North: 94.9 WHOM Mount Washington, NH (371 miles)
Scatter from Cape Cod, Buffalo, and other areas in the ~300 mile range can be heard as well.
The CX-333 allows me to hit repeaters as far as K2PUT in Putnam County NY or W3SC in Schuylkill county to the north, and as far as Virginia Beach to the south.
Weatherband brings in a mix from Huntingdon-PA, Windsor-NC, Norwich-NY, Towanda-PA, or Pack Monadnock-NH on 162.525. 162.425 used to bring in a mix of Altoona and Mamie before Chester County signed on.
used ham radio equipment
The JT30 Roadhouse Harmonica Microphone is an exclusive version of this Astatic by Hohner hand-held mic with volume control. The JT30 Roadhouse Microphone produces that classic, dirty Chicago blues harp tone. The JT30 was introduced over 50 years ago as an inexpensive and rugged crystal element microphone for public address systems and Ham radio operators. Blues players discovered that the JT30's emphasis of the voice's midrange frequencies produced a raw, honking sound when they cupped their harmonica against broad front of this bullet mic. Over the years, the JT30 has become the favorite harp mic for many established blue harpists. The JT30 Roadhouse uses the same mold for the mic housing that Astatic used to build the original JT30 mics. When played through a vintage-style tube amp, the frequency response of the JT30's crystal element duplicates the warm, slightly distorted "Mississippi Sax" tone that harp players crave. Includes 20' cable with XLR female connection designed to fit the threads of the JT30 and a 1/4" male adapter that plugs directly into a guitar amp.
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