Antennas : Helical
- Helix Calc
- Helix antenna calculator, to design and make helix antenna plans
[ Hits: 7447 | Votes: 165 | Rating: 5.82 ]
- The ElectroMagnetic spectrum
- Excellent poster representing the electromagnetic spectrum from 31.2 mHz to 6.52 EHz, PDF file poster designed by Anthony Tekatch
[ Hits: 2042 | Votes: 6 | Rating: 6.67 ]
- ESA Portal - Calling all radio amateurs
- Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.
[ Hits: 357 | Votes: 0 | Rating: 0.00 ]
- DK9IP - TS-850 service manual
- Kenwood TS-850 manual
[ Hits: 1479 | Votes: 5 | Rating: 7.00 ]
- Kenwood TS-520 TS-520S Series Manuals
- Downloadable manualsand info for Kenwood TS-520S, Manuals for DG-5, Manuals for AT-200, AT-230 Manuals for VFO-520S
[ Hits: 4757 | Votes: 15 | Rating: 4.54 ]
- HFCC Public Data
- HFCC manages and co-ordinates global databases of international shortwave broadcasting in keeping with International Radio Regulations of the ITU.
Operational Schedule, available for free download and iteractive schedule
[ Hits: 1608 | Votes: 4 | Rating: 8.75 ]
- Tthe ultimate program designed to connect you to ACARS systems around the world via the Internet
[ Hits: 15476 | Votes: 147 | Rating: 5.00 ]
- WD6CNF DSP Filter
- Audio Digital Filter, two bandpass filters, three notch filters, two noise filters
graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal,
Microphone input, speaker output
Mono, 5 kHz bandwidth
[ Hits: 4495 | Votes: 2 | Rating: 10.00 ]
- Band Master
- Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software. Price USD 25
[ Hits: 3264 | Votes: 0 | Rating: 0.00 ]
- Convert ADIF into Cabrillo log file format by SP7DQR
[ Hits: 1121 | Votes: 8 | Rating: 3.25 ]
- OH1AA Logging program
- The OH1AA logging program package is designed to handle the book-keeping
of amateur radio contacts. The package contains three separate main prog-
rams by which contacts are managed.
Run under DOS and is freeware
[ Hits: 1065 | Votes: 19 | Rating: 5.05 ]
- SV2AGW AGWTerm Packet Terminal
- This program needs no other explanations because it is just a terminal program. The only difference is that it is multitasking. This means that you can have multiple connects and you can YAPP without restrictions. You can receive as many YAPPs as you wish simultaneously. If you have more than a RadioPort (You have more than a TNC) you can connect in any RadioPort. You can have also unlimited number of connections (about 100).
[ Hits: 2665 | Votes: 4 | Rating: 4.00 ]
- SV2AGW AGWBBS
- AGWBBS is a program that manages the messages that you have downloaded from your local BBS using AGWFWD.
[ Hits: 739 | Votes: 1 | Rating: 8.00 ]
- MUF Calculator by G7RAU ( upload updated 31 August 2002) for calculating the possible e MUF on VHF during es season.
[ Hits: 763 | Votes: 0 | Rating: 0.00 ]
- FT857 SuperControl
- CAT control and logging software project especially developed for the YAESU FT-857 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope
[ Hits: 17025 | Votes: 32 | Rating: 5.54 ]
- FT897 SuperControl
- CAT control and logging software project especially developed for the YAESU FT-897 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope
[ Hits: 15477 | Votes: 21 | Rating: 7.81 ]
- STSORBIT PLUS, usually known as STSPLUS, will track the space shuttle or any satellite for which orbital data (TLEs) are available. A brief description of the program and several screen capture examples follow the links for downloading the program files.
[ Hits: 3326 | Votes: 6 | Rating: 10.00 ]
- Joe Bijou, WB5CCJ, and Richard Allen, W5SXD, are pleased to be able to provide our users and the satellite community with new Y2K compatible versions of Silicon Solutions satellite tracking software. These programs are free to be downloaded and used by anyone
[ Hits: 1587 | Votes: 1 | Rating: 10.00 ]
- This is a handy windows locator program from OH3NJC Ilkka, includes C source codes and formulas
[ Hits: 1857 | Votes: 6 | Rating: 3.67 ]
- OZ2M - Beacon Keyer
- Circuit and software to build a beacon keyer, includes downloadable packages.
[ Hits: 3410 | Votes: 16 | Rating: 7.73 ]
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