europe psk frequency

7 elements OWA Yagi for 20 meters band - Optimised Wideband Array with low SWR across the whole of 20m with excellent gain and F/B. European and USA sizes

Multiband fan dipole antenna - A three-frequency multi-band dipole

Helical Antennas - The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics

Tuning HF Coaxial Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency.

4 element LFA Yagi for 28MHz Priority listing - The lastest PSO (Particle Swarm Optimisation) techniques where used to produce this fantastic 10m antenna. Excellent performance from a short boom. USA/UK and European tube sizes.

European VHF UHF Beacons - List of european vhf uhf beacons by G4URH

Resonant Frequency - Resonant Frequency: The amateur radio podcast was created to help get information on amateur radio out to the new ham and the ham that wants to find out about different aspects of the hobby they are thinking about trying out.

RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.

SSTV Frequency List - Where to look on the Bands for SSTV

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

PSK31 Elmer page and PSK Signal Quality - Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.

Yaesu FT-897D PSK and RTTY Operation - Determining the audio input and output connections on the FT-897D.

VOACAP Online - Online professional-grade high-frequency (3-30 MHz) propagation predictions

Frequency adjustment on TS-870 - Adjusting frequency on Kenwood TS-870S

Mods Kenwood TS-870 ACC2 Input - This mod flattens out the ACC2 audio input low frequency response

What's On Short-Wave right now?  ^updated - Find out what station is broadcasting in what language on what frequency. View schedules by frequency, language or station.

APRS Messenger program - APRS over digimodes including PSK, QPSK and GMSK with digipeating and two way HF internet gateway to the APRS-IS

JT65-HF - Download JT65-HF Amateur Radio software for reception/transmission of JT65A protocol with an emphasis upon its usage in the High Frequency Amateur Bands.

MicroMUF - MicroMUF is a windows free HF propagation calculator that you can use to estimate the MUF (Maximum Usable Frequency) and LUF (Lowest Usable Frequency) between any two points on the Earth.

Multimode - 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.

iRFC for iPhone - IRFC offers a full Radio Frequency Calculator on the go for network impedance adaptation with smith chart

Programmable 50 MHz Counter - The frequency counter described here was built up using the "sandwich" construction and uses low cost components

12GHz frequency meter - A frequency counter device up to 12GHz by DL5NEG

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB

Sound Card to Radio Interfacing - Sound card Hamming, PSK31 and other digital modes, CQ amateur radio article by K5ABT