v 200 frequency15 links
- Broadband receiving antenna matching
- This article addresses the subject of obtaining the best signal transfer from an antenna to the
typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave
(500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
[ Hits: 5734 | Votes: 4 | Rating: 6.00 ]
- USA frequency allocations
- The radio spectrum in usa, PDF File representing the united stares frequency allocations in graphical mode, dated 2003
[ Hits: 5257 | Votes: 4 | Rating: 8.00 ]
- Valcom Fibreglass Whip Antennas
- Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas
Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.
[ Hits: 3182 | Votes: 2 | Rating: 8.00 ]
- TOYO Connector (TYC)
- Certified under ISO9001:2000 and focus on sales of high frequency coaxial connector (BNC, TNC, SMA, SMB, N, F, UHF, RCA etc); attenuator; termination; surge arrester; conversion; coaxial cable assembly; high frequency coaxial cable etc.
[ Hits: 788 | Votes: 4 | Rating: 8.00 ]
- PRO-COMM INC
- High power, UHF, L-band, S-band, C-band,
microwave frequency amplifier and oscillator devices, pulsed, CW, fixed-tuned, or tunable devices in the range of 600 MHz to 2000 MHz
[ Hits: 262 | Votes: 0 | Rating: 0.00 ]
- Low Frequency Transmission Modes
- Article by W1TAG on operating modes used on low-banding.
The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF
[ Hits: 349 | Votes: 0 | Rating: 0.00 ]
- Radio Frequency Beacon Finder
- This project is a radio frequency receiver that will help the user the trace the direction and distance of transmitter beacon(s) operating at 433MHz frequency by Cornell Univerity
[ Hits: 1401 | Votes: 6 | Rating: 5.00 ]
- Yaesu VX170 Mod
- Extend VX-170 frequency range on Yaesu VX-170
[ Hits: 676 | Votes: 1 | Rating: 5.00 ]
- Frequency database for Germany. Emergency services, aircrafts, radio and paging system with over 2000 frequencies from all over Germany.
[ Hits: 1195 | Votes: 13 | Rating: 3.70 ]
- The purpose of the APRS-Beacon is to provide simple APRS-compatible position beacons for up to three Objects. It is designed to 'stand alone' and does not monitor other traffic on the frequency. It can use a single-port TNC (in 'native' mode), a single- or dual-port TNC in Kiss mode or the AGW Packet Engine in order to transmit on up to four radio ports.(When running with AGWPE, APRS-Beacon will also work with Windows 2000)
[ Hits: 3117 | Votes: 5 | Rating: 2.80 ]
- Fast, high resolution time-frequency analyzer with FFT display for time and frequency variant signals.
[ Hits: 5054 | Votes: 8 | Rating: 5.50 ]
- Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne
[ Hits: 48810 | Votes: 24 | Rating: 6.34 ]
- 500 KHz Low Pass Filter
- This article describes a shielded low pass filter with a cut off frequency of about 500 KHz. It is built with components suitable for receiving, and was designed to use in front of a low frequency receiver for LOWFER work.
[ Hits: 1099 | Votes: 8 | Rating: 3.00 ]
- Icom HM-36 Modification
- Modification of Icom HM-36 hand microphones that come with the Icom IC-7200 and IC-7600 to improve frequency response and drive.
[ Hits: 804 | Votes: 2 | Rating: 5.50 ]
- Homebrew radio receiver
- Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.
[ Hits: 20896 | Votes: 26 | Rating: 6.00 ]
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