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Antennas : Helical
- Helical Antenna Calculator
- This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.
[ Hits: 4204 | Votes: 46 | Rating: 5.61 ]
- DXWatch is a modern cluster spot filter service and webcluster. Includes the possibility to create your own filter, external widget in a fast and flexible user interface.
[ Hits: 34362 | Votes: 234 | Rating: 8.03 ]
- Communications Specialists Inc.
- Manufacturers quality tone signaling, wildlife telemetry,avionics equipment,video transmision modems.
[ Hits: 414 | Votes: 0 | Rating: 0.00 ]
- EZMaster by HamRadioSolutions
- EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity.
Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .
[ Hits: 1903 | Votes: 4 | Rating: 4.25 ]
- The reflected W beam
- Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
[ Hits: 2623 | Votes: 3 | Rating: 8.67 ]
- Split Operations - When and How
- An interesting guide on operating in split mode
[ Hits: 537 | Votes: 0 | Rating: 0.00 ]
- About AMTOR
- AmTOR may be considered as the next development from RTTY. AmTOR was introduced to overcome the problems with RTTY. As a result of its performance, it has become popular on the HF bands because it gives more reliable communication, especially when interference is present. It achieves this by using a coding system that allows errors to be detected and corrected.
[ Hits: 229 | Votes: 0 | Rating: 0.00 ]
- Weak Signal VHF by Tim Marek - K7XC
- A complete guide to operating the weak signal modes on VHF/UHF/Microwaves. VHF Contesting honor role for the western states, rover, eme basics and vhf contesting.
[ Hits: 1046 | Votes: 3 | Rating: 10.00 ]
- Ham radio digital modes
- An introduction to PSK31, MT63, and Hellschreiber, John DeGood NU3E
Trenton Computer Festival in PDF
[ Hits: 3191 | Votes: 4 | Rating: 8.25 ]
- CW The Once and Future Mode
- A quick look at the code, the superiority of CW as a mode for amateur radio communications
[ Hits: 740 | Votes: 1 | Rating: 10.00 ]
- Kenwood TS-2000/X service manual
- Kenwood TS-2000/X all mode multi-band transceiver in PDF file
[ Hits: 8761 | Votes: 52 | Rating: 6.62 ]
- ACARS VHF Data
- The first of a series of articles that provide an introduction to the latest ICAO defined digital communication modes, including VDL modes 2, 3 and 4. In this edition we begin with the current ACARS application then bring this up to date with AOA.
[ Hits: 2859 | Votes: 10 | Rating: 5.50 ]
- Powerful antenna modeling tool using NEC 2 computing engine. Nec2 specifically provide users, either those experienced with the Nec2 processes, or for those who are neophytes but want to model their own antennas.
Nec2Go uses a simplified process for defining the antenna structure and then providing view of the structure, plots (2D and 3D) and other significant data that is pertinent to the design.
This simplified process uses an edit file with equations for all definitions.
[ Hits: 1753 | Votes: 1 | Rating: 5.00 ]
- AFU Knoppix
- The AFU Knoppix CD contains software for the operating modes of PSK31, RTTY, SSTV, FAX, APRS and packet radio. Additional applications for Sat tracking, logging, locator referencing and antenna computation are also included.
The CD is targeted for radio enthusiasts, the Linux operating system and the applications on this CD are structured so that they can run from the CD without effecting the installed existing system software. *
[ Hits: 5260 | Votes: 4 | Rating: 3.75 ]
- SV2AGW Packet Engine Professional
- This is a brand new program based on the well Known "AGW Packet Engine/ AGWPE". It is a special Windows utility for amateur radio packet users that interfaces multiple packet programs and multiple TNCs (Terminal Node Controllers) / modems: lets one TNC be used by more than one packet program, lets one packet program use more than one TNC, lets your sound card be used as a physical TNC or modem, no need to buy a TNC
, has an optional 'TCP/IP Over Radio' feature that lets you send TCP/IP data sentences via packet to internet gateways
[ Hits: 2347 | Votes: 3 | Rating: 3.67 ]
- The multiuser/multitasking BPQ Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC or Baycom modem attached to your IBM-PC/clone in conjunction with the BPQ Node software.
[ Hits: 931 | Votes: 0 | Rating: 0.00 ]
- G7RAU Live MUF V7
- Live MUF is a DXC (cluster) telnet client which attempts to resolve propagation modes from spots and also attempts to calculate sporadic e possibilities purely based on incoming data from the cluster
[ Hits: 3890 | Votes: 14 | Rating: 4.58 ]
- On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German ) ...On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German ) ...On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German )
[ Hits: 4679 | Votes: 6 | Rating: 4.50 ]
- Coaxial Cable & Power Handling
- This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest
[ Hits: 1010 | Votes: 8 | Rating: 8.17 ]
- Icom 706MKIIG mod of internal fan on rx
- Unlike the old Icom 706, the 706 MKIIG HF/VHF/UHF multi-mode ham radio transceiver do not keep its internal blower running all the time in receive mode.
[ Hits: 3151 | Votes: 120 | Rating: 9.44 ]
You can try similar termscat mode cw mode am mode ale mode ros mode mode a mode s ros dig mode fax mode ale dig mode all mode tnc mode hf all mode pd 180 mode op mode
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