audio tx

40 Meter Parasitic Delta Loop  ^pop - 40 Meter 2 element full size parasitic delta loop wire beam construction and switchable

DXCC txt file - The current ARRL DXCC country list by Bill Brelsford, K2DI

ARI Torino, Sala Radio Priority listing - "Sezione A.R.I. di Torino presents ""Sala Radio"" dedicated to Duilio Secoli I1TMD"

Amateur Radio Club of Parker County - W5PC is an ARRL Special Services Club, ARES/RACES/SKYWARN in Weatherford, Parker County, TX

Tri-County Ham Radio Club N. Texas - Serving Tarrant, Parker, Wise counties, and city of Fort Worth, Azle, Springtown, Boyd, Weatherford, Saginaw

EI4IX Dave - Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation.

IK1MTX Piero - "Manager of ham radio station ""Duilio Secoli I1TMD"" by Sezione ARI in Torino."

Ham Radio Community Chapter Priority listing - Ham radio webcam live, solar updates, radio mods, satellite images, audio and video interactive, polls, links, constant events, weather, qrz database, by kd4sai

N1EU's Web Site - Original articles and useful hf links for contesting, TopBand 160M, FT-1000MP, Ten-Tec, SSB Audio, Mods and WriteLog

Remote controlled receivers  ^pop - Use real audio streams to listen to Hf and VHF stations around the world via remote controlled receivers connected to the web.

VK2FLR DX Sounds Archive - Real Audio files containing interesting examples of VHF DX propagation from Sydney, Australia

Gisela Dierking NF/HF-Technik Germany - Many interessting accessories, like unversal audiofilter, Mixer interface for sound card, highvoltage powersupply,accessories for 706, hamradio vacation, and more

Ham Radio & DSP - Related histories, facts and opinions by EA2BAJ, includes example of PSK MT63 QPSK audio files in wav file

ARISS News - Latest news from ISS including upcoming ARISS contact schedule

Scanrec Scanner Recorder - Scanner Recorder (Scanrec) is a free audio recorder that is primarily designed to record speech. It has a VOX control that allows the user to save disk space when no sound is present in the signal. Since FM communications has such an effective squelch, the recorder works best with FM. HF ham bands and World Band radio have such a poor signal to noise ratio that the VOX gate on Scanrec might not be very easy to set.

Vox Recorder  ^pop - Vox Recorder is a Windows utility wich allows recording sound from an audio source only when an audio signal is present; its main purpose is to avoid the recording of the silence eventually present at the input. Vox Recorder has been designed in particular for radio-scanner hobbists.

LogDDM - Ham radio logging software by IV3DDM, includes award facilities, callbook, packet cluster, RTX control, QSL info, ADIF - in english.

BeaconSee - BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.

Free programmable DSP-Filter  ^pop - Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz

Voice Descramble - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band.

PC-ATV - PC-ATV is a program to generate testcards on your PC for tx over the ATV bands now with over 40 testcards from around the world. QRA and DTMF programs included.

SSB Pileup player - It plays back max 10 WAV audio data as one Real SSB Pileup Windows98/NT4

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

Spectra - Accurate spectrum analyzer in the range 0 - 2500 Hz, makes an accurate FFT analysis of an audio signal coming from the soundcard

Vox Actuated Recorder for Windows - Vox Recorder is a Windows utility wich allows recording sound from an audio source only when an audio signal is present; its main purpose is to avoid the recording of the silence eventually present at the input.