About
I’m a computer scientist at Tel-Aviv University with a fairly wide range of technical interests.
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Recent Posts
- A small improvement to the DEMI LNA and a UHF J-Pole Antenna
- Transmitting (and Receiving) DVB-T on 1.2 GHz
- A High-End UHF Preamp for the VHF/UHF Dongle
- A High-Performance Sound-Card AX.25 Modem
- All-Mode VHF/UHF Reception with a Low-Cost TV Dongle
- Using the USRP with HDSDR
- Using a Motorola PageTrac and a VHF Antenna Tuner in an APRS iGate
- A Lego Enclosure for an APRS Tracker with a Built-In Antenna
- Building an APRS Tracker
- Two Monoband Magnetic Loop Antennas
- HF Email using Winlink 2000
- First Steps with GNU Radio
- APRS Using WiFi Localization
- Soundcard now Decodes APRS
- Soundcard APRS
- The Trombone Magnetic Loop for 50MHz
- A Tripod Mount for the Satellite Yagi
- Streaming Radio Channels on the Web through RadioReference.com
- Finishing Up the Satellite Yagi
- Repairing a Deaf Softrock Transceiver
- Building the UHF Cheap Yagi for Satellite Communication
- An Update on the Coax Transmitting Loop
- Building Chavdar Levkov’s Active Wideband Loop
- Linux Serial Server Now Working with HRD and FT-857
- Reverse Engineering the HRD Remote Serial Protocol
- WSPR Results with Two Different Sound Cards
- Adding PTT Activation to the Serial and Sound-Card Interface
- A Simple Serial and Sound-Card Interface for the Yaesu FT-857D
- Remote WSPR and Quisk on a Remote Nettop Computer
- Re-Crystaling a 10MHz Softrock Receiver
- A Papier Mâché Electronic Enclosure
- A Driverless Ethernet Sound Card
- WSPR with Two Receivers and One Computer
- An Antenna Splitter and Two Receive Chains
- WSPR with a Crystal-Controlled Softrock Receiver
- Ensemble II RX
- Bias Tees and Other Inline Gadgets
- Amplifier Update: Now Using an IRF630
- WSPR is Hopping
- Compiling WSPR on Windows and Linux
- A Wideband Receiving Loop
- WSPR Should Frequency Hop
- A Microcontroller AM Transmitter (and a Lesson in EMI)
- A PLL Mystery
- A Microcontroller-Based Phase-Locked Loop
- A Sudden Puff, and the Amplifier’s Final is Gone
- Roadless Israel in Google Maps Applications
- Failure to Use WSPR to Compare Antennas
- WSPR vs. PSK Reporter
- A Tuned Active Receiving Loop
Thanks for putting up the radio reference feed. It’s great!
Interesting modem to sound card. See here http://ua6hjq.qrz.ru/pr/uz7ho.htm and here http://uz7.ho.ua/index.php?lang=eng&id=4
Thanks Igor. Yes, I am aware of the new UZ7HO modem, although I have not tried it yet. Perhaps I should.