Prof. Xiaoguang “Leo” Liu

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Some cool software defined radio images:

Prof. Xiaoguang “Leo” Liu


Image by UC Davis College of Engineering
The National Science Foundation’s Division of Electrical, Communications and Cyber Systems (ECCS) has awarded a three-year grant of 0,001 to a team led by Principal Investigator Xiaoguang “Leo” Liu, an assistant professor in the UC Davis Department of Electrical and Computer Engineering (ECE). The project, titled “Reconfigurable Bandpass Sampling Receivers for Software-Defined Radio Applications,” will be a collaborative effort with co-PIs Paul J. Hurst, Bernard Levy and Stephen H. Lewis, all professors in the UC Davis ECE Department.

More info: engineering.ucdavis.edu/blog/electrical-computer-engineer…

Photo by Katie Lin/UC Davis College of Engineering

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Latest DX Cluster News

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Propagation Forecast Bulletin #19 de K7RA:
Here in Costa Rica, the rainy season is just beginning, and with it, the atmospheric noise has been building, bringing a screeching halt to any significant activity on Top Band (160 meters), and severely limiting DX on 80 meters as it does every year …
Read more on eHam.net

My DX Summit launches today
The new-fangled My DX Summit (MDXS) is scheduled to open to the public today at 1000 UTC. MDXS introduces a fresh lineup of features with a handy propagation tool as a real eye-opener. Predicted propagation is based on your personal location, and by …
Read more on Southgate Amateur Radio Club

Gender-Neutral Title 'Mx' Embraced by U.K. Officials, May Join Oxford English
"This is an example of how the English language adapts to people's needs," says OED editor Jonathan Dent. Elizabeth Nolan Brown| May. 4, 2015 1:46 pm. -. -. -. -. Spritz. PhotoComiX/FlickrThe gender-neutral honorific "Mx" may soon join the likes of …
Read more on Reason (blog)

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Testing audio ADCs and DACs

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Testing audio ADCs and DACs
Tests for the high-level non-linear behavior of an ADC are similar to those for non-linearities in analogue electronics, using standardised tests for harmonic distortion and intermodulation distortion. But audio converters bring new mechanisms for non …
Read more on PSNEurope

World's first successful use of an electric circuit to compensate for
A modulated high-frequency signal is distorted by the thermal behaviour through complex intermodulation phenomena, although the temperature response of the circuit is slow. The researchers modelled the thermal effects of a heterojunction bipolar …
Read more on Phys.Org

Eleven FCC Scenarios for The 600 MHz Band Plan
This is sometimes called sideband splatter, but it is actually third-order inter-modulation products generated in the high-power amplifier of a DTV transmitter; which gets past the transmitter RF mask filter and is radiated. The 3 MHz guard bands on …
Read more on TV Technology

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Rosewill 1-Feet Cat 7 Red Color Shielded Twisted Pair (S/STP) Networking Cable (RCNC-11041) Reviews

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Rosewill 1-Feet Cat 7 Red Color Shielded Twisted Pair (S/STP) Networking Cable (RCNC-11041)

Rosewill 1-Feet Cat 7 Red Color Shielded Twisted Pair (S/STP) Networking Cable (RCNC-11041)

  • In compliance with TIA/EIA-568-B.2-10 specifications, the Rosewill Cat 7 network cable delivers blazing fast speed to address evolving requirements of today’s equipment and application
  • Length: 1 ft.
  • Backward compatible with Cat 5e/Cat 6/Cat 6a Ethernet Cable

The Rosewill Cat7 S/STP patch cable offers the best-in-class Ethernet connection for various applications. Screened Shielded Twist Pairing (S/STP) design and gold plated connectors confidently protects the cable from external Electro-Magnetic Interference (EMI) for optimized signal quality. Durable red jacket easily color-codes your cable runs as needed while providing rugged flexibility for network connection. For long lasting performance, the cable features strain relief to prevent the RJ-45 c

List Price: $ 4.99

Price: $ 2.99

Rosewill 10-Feet Cat 7 Color Shielded Twisted Pair (S/STP) Networking Cable – Yellow (RCNC-11052)

Rosewill 10-Feet Cat 7 Color Shielded Twisted Pair (S/STP) Networking Cable - Yellow (RCNC-11052)

  • In compliance with TIA/EIA-568-B.2-10 specifications, the Rosewill Cat 7 network cable delivers blazing fast speed to address evolving requirements of today’s equipment and application
  • Length: 10 ft.
  • Backward compatible with Cat 5e/Cat 6/Cat 6a Ethernet Cable

Model
    Brand: Rosewill
    Model: RCNC-11052
    Type: Twisted Pair (S/STP)
Spec
    Cat: 7
    Length: 10 ft.
    Color: Yellow
    Shielded: Screened Shielded
Features
    Features: Backward compatible with Cat 5e / Cat 6 / Cat 6a Ethernet CableScreened Shielded Twisted Pair (S/STP) Cable Shielding offers the best protection from External EMI interferences and eliminats alien crosstalkGold Plated RJ45 ConnectorMeet TIA/EI

List Price: $ 9.99

Price: $ 5.49

Related Electro-Magnetic Interference Products

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Two-day ham radio exercise coming to North Fort Myers – The News-Press

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Two-day ham radio exercise coming to North Fort Myers
The News-Press
North Fort Myers. Two-day ham radio. exercise this month. Members of the Fort Myers Amateur Radio Club will participate in the national Amateur Radio Field Day exercise June 27-28 at North Fort Myers Community Center, 2021 N. Tamiami Trail. This event …

ham amateur radio – Google News

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Vintage Advertising Postcard: Yaesu Day! Ham Radio Outlet Oakland, California

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Vintage Advertising Postcard: Yaesu Day! Ham Radio Outlet Oakland, California

Vintage Advertising Postcard: Yaesu Day! Ham Radio Outlet Oakland, California

  • Categories: Advertising,Modern (1970’s to Present)
  • Type: Continental Chrome
  • Size: 4.25″ x 6″ (11 x 15.25 cm)

Original Vintage Postcard: Yaesu Day! Ham Radio Outlet Oakland, California
State: CA CaliforniaCity: OaklandCounty: Alameda CountyType: Continental ChromeUnusedCondition: Please view the product photos – we provide photos of the front and back of most items so you can see the exact condition

Price:

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No fees, no wires, just TV on a tablet, startup promises

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Antenna tuner & switch


Image by AA7JC
This is a simple way to integrate a separate receiver for use with a transmitter (or as in my case my K2)
Looks like my computer clock is six minutes fast

No fees, no wires, just TV on a tablet, startup promises
Tablet TV hopes to capitalize on that trend with a device Motive calls a T-Pod – a palm-size digital TV antenna, tuner and digital recorder. The company hasn't settled on a price, but Fertig said Tablet TV expects to sell T-Pods for between $ 50 to $ 100.
Read more on SFGate

What you need to know about 9NEWS SuperScan
EVERY channel available over-the-air, with sufficient signal strength to be read by your tuner, is now available for you to view. Some stations will look better than others. Some stations you used to have may no longer be available. Antenna viewing is …
Read more on 9NEWS.com

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LightSail CubeSat Stops Transmitting

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The Planetary Society is blaming a software glitch for causing its LightSail-A CubeSat to go dark, but the organization’s satellite team is hoping the situation is temporary and that it can reboot the CubeSat’s onboard computer. In a lengthy blog post, the Planetary Society’s Jason Davis said the LightSail mission “is paused, while engineers wait out a suspected software glitch that has silence…

American Radio Relay League | Ham Radio Association and Resources

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Armed Forces Day 2014 Cross-Band Communications Test Set for May 10:

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Armed Forces Day 2014 Cross-Band Communications Test Set for May 10:
The annual event also includes the US Secretary of Defense message test, which will be transmitted in various digital modes. Stations will use RTTY, CW, PSK31, PACTOR, AMTOR (FEC), MT63, and other digital modes to transmit the message. A certificate is …
Read more on eHam.net

6V7S (Senegal) was prominent along with II0HQ and a whole
Monday DX: S01WS, W1AW/9, ZD7VC, ZX14BA, 6V7S, C5II, D3AA, ZD7FT, CX3TQ, PP5BS, ON6IX, D2QV, W1AW/7, UR7GO, K2L, EA5/GM0OPK, 9A7JCY, ZX14RS, PY5YA, PT9IR, PC200ZVL, N1CC, LW6DG, K0TT, G0OQQ, CX6DZ, ZA/IK2RLM, YV5LIX/B, …
Read more on Southgate Amateur Radio Club

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