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Antennas : 160M
- Receiving antenna for low bands
- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[Hits: 12643 | Votes: 5 | Rate: 8.80] Antennas : Feed Lines
- Band Filters
- Experience of band filters, for a contest multi operator enviroenment
[Hits: 2787 | Votes: 4 | Rate: 7.75] DX Resources : Clusters
- DXFun Web Cluster
- DX Cluster mainly in spanish, with chat, filtering available upon user registration, propagation reports and solar status, includes also latest dx news.
[Hits: 1951 | Votes: 23 | Rate: 5.18] Manufacturers : Antennas : VHF UHF Microwave Manufacturers : Memory Keyers
- Nye Viking
- Antenna Tuners, morse keys, keyers and filters
[Hits: 3512 | Votes: 5 | Rate: 5.80] Manufacturers : QRP Kits
- Micro908 Kit
- A re-usable control & computing platform for
antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP
[Hits: 914 | Votes: 0 | Rate: 0.00] Manufacturers : Test Equipment : Spectrum Analyzers
- Trilithic
- Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers
[Hits: 253 | Votes: 0 | Rate: 0.00] Operating Modes : Amateur Television
- UHF Reject filter
- This filter is a 0.1 dB Tschebychev lowpass with a rejection of 90 dB
or better at 430 MHz, and 0.2 dB insertion loss at 72 MHz.
[Hits: 847 | Votes: 1 | Rate: 10.00] Operating Modes : PSK31
- Adjusting Filters for PSK31
- Screen shots of what happens when you do and don't get it right. By Dick Stevens, N1RCT, a very clear, helpfull and comprehensive document.
[Hits: 1457 | Votes: 2 | Rate: 5.50] Operating Modes : RTTY
- Getting started on RTTY
- A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX
[Hits: 770 | Votes: 1 | Rate: 6.00] Radio Equipment : HF Transceivers : Icom IC-7000
- IC7000BKT Icom IC-7000 CAT Control
- CAT Control for Icom IC-7000 for windows. Management and synchronization of all memory bank, Management filters, volume, tones, DUP, DTCS, import export, audio recording and log frequency and signal,Auto CQ audio for repetitive calls
[Hits: 3657 | Votes: 6 | Rate: 4.67] Shopping and Services : Regional : Europe : Italy
- Mr Seven Telecomunicazioni
- Italian dealer for steppir, buddipole, force12, mosley diamond yaesu antennas, mfj ldg products, rotors filters microphones keyers and more accessories
[Hits: 414 | Votes: 0 | Rate: 0.00] Software : Circuit Design
- Helical
- A graphics-intensive bandpass filter program based on the helical resonator.
[Hits: 1309 | Votes: 2 | Rate: 9.00] - RF Filters
- MS DOS Program for calculations of HP, LP and BP filters at VHF and UHF frequencies up to about 800 MHz by YU1AW
[Hits: 948 | Votes: 6 | Rate: 4.33] Technical Reference : Duplexers
- Diplexer design notes
- Standard diplexer design is based on singly-terminated Butterworth filters.
[Hits: 3656 | Votes: 8 | Rate: 5.87] Technical Reference : Filters Technical Reference : Homebrew
- CW Filter
- I0QM Gaussian CW Filter page
This Filter for the weak signals is the evolution of the simple Universal State filter, already published on "Radio Rivista", the 8/1993
[Hits: 1326 | Votes: 2 | Rate: 8.00]
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