ros mode23 links
Antennas : G5RV
- G5RV multi-band antenna
- Multi-band centre-fed antenna capable of very efficient operation on all HF bands, specifically designed with dimensions which allow it to be installed in gardens and other open spaces which accommodate a reasonably-straight run of 31.1m (102 ft) for the flat-top standard model.
[ Hits: 6858 | Votes: 8 | Rating: 7.38 ]
- Duoband DK7ZB-Yagis 2m and 70cm
- These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.
[ Hits: 3309 | Votes: 12 | Rating: 6.00 ]
- Site for owners & prospective owners of the Ten-Tec Model 516 Argonaut V Amateur Radio Transceiver.
[ Hits: 668 | Votes: 1 | Rating: 1.00 ]
- Radio Audio and sound files
- Some tens of very special audio files recorded during amateur radio activities like aurora traffic, meteor scatter, communications with ISS crew and the sound of various transmission modes that you can hear on HF and VHF bands
[ Hits: 7838 | Votes: 8 | Rating: 6.24 ]
- G6GVI's data transmission page
- WinDRM for rapid data transmission over radio channels. A quick-start guide by Ross G6GVI and Jack G8HIK
[ Hits: 366 | Votes: 1 | Rating: 1.00 ]
- Generation of Long-Delay Echoes
- Different theory models to explain generation of long delayed radio echoes by D. B. Muldrew
[ Hits: 221 | Votes: 0 | Rating: 0.00 ]
- APRS Messenger program
- APRS over digimodes including PSK, QPSK and GMSK with digipeating and two way HF internet gateway to the APRS-IS
[ Hits: 1228 | Votes: 6 | Rating: 9.17 ]
- Antenna Scatterers Analysis Program, is a Free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Source code and windows executables are available to download.
[ Hits: 14145 | Votes: 7 | Rating: 6.15 ]
- ProsKan KA1LPA
- Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.
[ Hits: 1145 | Votes: 0 | Rating: 0.00 ]
- ROS ham radio modem
- ROS Multimode software for Ham Radio Operators
[ Hits: 1363 | Votes: 6 | Rating: 8.00 ]
- Add-in module to Microsoft Excel, contains a set of radio amateur relevant special functions:
DistSphericLocator(Loc1; Loc2) Calculates the spheric earth model distance between two locators [km] DirSphericLocator(Loc1; Loc2) Calculates the spheric earth model direction from Loc1 to Loc2
[ Hits: 2043 | Votes: 3 | Rating: 3.67 ]
- AirLink Express
- AirLink Express is a user friendly digital mode software package for the Amateur Radio Operator. The software is compatible with Microsoft Windows XP and Microsoft Windows Vista. It offers PSK, MFSK and RTTY digital modes with logging and macro capabilities. If you have ever used the Digipan software you will be immediately familiar with Airlink Express. The user interface is almost identical by Alex Krist, KR1ST
[ Hits: 7412 | Votes: 22 | Rating: 7.45 ]
- AGW Packet Driver
- SV2AGW packet radio driver, runs TCP/IP protocol over radio, support windows 95/98/NT and several devices like baycom and, E5DXL 9600 G3RUH compatible modems, DRSI and Sound cards by SV2AGW George Rossopoulos.
[ Hits: 12598 | Votes: 23 | Rating: 4.61 ]
- IRTTY2 is an HF Ham Radio modem for RTTY (170 hz, 45 baudot) mode.
Easy to use but powerful, with waterfall and Macros.
[ Hits: 1034 | Votes: 2 | Rating: 2.50 ]
- Spectrum Analyzer Real-time FFT
- Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
[ Hits: 11076 | Votes: 9 | Rating: 7.77 ]
- AAVoice digital voice processor
- "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."
[ Hits: 5695 | Votes: 131 | Rating: 5.50 ]
- A new app for Ham Radio running on IPhone and IPod touch.
Multimode is a modem for RTTY BPsk31 & QPsk31, with spectrum analyzer and Macros for easy operations.
[ Hits: 1397 | Votes: 1 | Rating: 10.00 ]
- Ham International CB Radios
- Retrospective of a mark now disappeared. Jumbo, Multimode, Concorde, Puma, Viking. Photographs, diagrams, adjustments etc.
[ Hits: 10124 | Votes: 131 | Rating: 8.12 ]
- 5th order High Pass VHF Filter
- Sometimes many VHF-UHF modern transceivers have problems with BROADCAST Interference and CROSS-modulation from FM commercial broadcast stations this article shows a simple Batteworth HI-Pass VHF Filter to reduce this problem
[ Hits: 1041 | Votes: 7 | Rating: 5.57 ]
- Fix the Astron Power Supply Amp Meter
- How fix Astron 70 model number VS-70M amp meter not working
[ Hits: 257 | Votes: 0 | Rating: 0.00 ]
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