SKYWATCH.CO.ZA

South African Skywatch Observatory | Observing the Sun and Other Stars

South African Skywatch Observatory. Observing the Sun and Other Stars. SID Programme Finally Started: The Antenna. This gave a value of 10 nF. My recent receiver design (circa 2011), which has neither been built nor tested, was to have the following features:. Single 5V d.c. supply. Gyrator tuning and second stage amplifier gain adjustment by means of digital potentiometers. Zero-crossing detector, precision full-wave rectifier, peak detector and d.c. level shifter. Powered by Paяabola.

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South African Skywatch Observatory | Observing the Sun and Other Stars | skywatch.co.za Reviews

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South African Skywatch Observatory. Observing the Sun and Other Stars. SID Programme Finally Started: The Antenna. This gave a value of 10 nF. My recent receiver design (circa 2011), which has neither been built nor tested, was to have the following features:. Single 5V d.c. supply. Gyrator tuning and second stage amplifier gain adjustment by means of digital potentiometers. Zero-crossing detector, precision full-wave rectifier, peak detector and d.c. level shifter. Powered by Paяabola.

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South African Skywatch Observatory | Observing the Sun and Other Stars | skywatch.co.za Reviews

https://skywatch.co.za

South African Skywatch Observatory. Observing the Sun and Other Stars. SID Programme Finally Started: The Antenna. This gave a value of 10 nF. My recent receiver design (circa 2011), which has neither been built nor tested, was to have the following features:. Single 5V d.c. supply. Gyrator tuning and second stage amplifier gain adjustment by means of digital potentiometers. Zero-crossing detector, precision full-wave rectifier, peak detector and d.c. level shifter. Powered by Paяabola.

INTERNAL PAGES

skywatch.co.za

1

antenna – Skywatch

http://www.skywatch.co.za/tag/antenna

SID Programme Finally Started: The Antenna. When I decided that SID monitoring would be an activity that might be interesting and worthwhile pursuing, I looked for information on the technique in general, and equipment in particular. I soon found that most of what is available is often very outdated and mostly put together by the observers themselves. I therefore decided to use whatever guidelines seemed sensible, and design my own system. This gave a value of 10 nF. Almost forgotten work on double stars.

2

precision full-wave rectifier – Skywatch

http://www.skywatch.co.za/tag/precision-full-wave-rectifier

Tag Archives: precision full-wave rectifier. My recent receiver design (circa 2011), which has neither been built nor tested, was to have the following features:. Single 5V d.c. supply. Gyrator tuning and second stage amplifier gain adjustment by means of digital potentiometers. Zero-crossing detector, precision full-wave rectifier, peak detector and d.c. level shifter. Go to download page. I now have other, more ambitious ideas for a receiver. But more about this later. Celestia 1.6 User Guide.

3

About Skywatch – Skywatch

http://www.skywatch.co.za/skywatch-is-back

Those of you who have known and visited the www.skywatch.co.za website since its launch in 1996, may have wondered what happened to the site. Well, about three years ago the site was compromised by Russian hackers and I decided to remove features such as the contact form and download area. Nothing happened since then, and the site lay dormant. In the meantime, if you are a SID observer, please feel free to introduce yourself. Upgrading the firmware of your Vixen StarBook on Linux.

4

SID – Skywatch

http://www.skywatch.co.za/sid

This page will give a brief background of SID and how they are detected using VLF. Upgrading the firmware of your Vixen StarBook on Linux. Almost forgotten work on double stars. Let’s sort the facts from the garbage. SID Programme Finally Started: The Antenna. Celestia 1.6 User Guide. Double Star Measurements Using Cross-correlation. Powered by Paяabola. Get every new post on this blog delivered to your Inbox.

5

vlf – Skywatch

http://www.skywatch.co.za/tag/vlf

SID Programme Finally Started: The Antenna. When I decided that SID monitoring would be an activity that might be interesting and worthwhile pursuing, I looked for information on the technique in general, and equipment in particular. I soon found that most of what is available is often very outdated and mostly put together by the observers themselves. I therefore decided to use whatever guidelines seemed sensible, and design my own system. This gave a value of 10 nF. Almost forgotten work on double stars.

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astronomyjhb.co.za

Links | Astronomical Society of Southern Africa Johannesburg Centre

http://astronomyjhb.co.za/index.php/links

Getting Started in Astronomy. Telescope Making Classes (ATM). Advertisers & Sponsors. Map to Wits Planetarium. South African Astronomical Observatory (SAAO). Southern African Large Telescope (SALT). The West Rand Astronomy Club. Sterrenkundige Vereniging Wega van Leuven. The Astronomical Society of Australia. Royal Astronomical Society of New Zealand. Explorers Society of SA. Transvaal Associated Computer Clubs. The Ancient Astronomers of Timbuktu. Observatories and Research Institutions:. Astronomy Pict...

iadso.org

International Association of Double Star Observers | Societies

http://www.iadso.org/alliances/index.html

The Journal of Double Star Observations. A quarterly journal of amateur astronomy dedicated to the study of double and binary stars. The Webb Deep-Sky Society (Double Star Section). An amateur/professional society specializing in double stars and 'deep sky' objects. There is also a direct link to the Webb Deep-Sky Society Circulars. Astronomical Society of Southern Africa. Another fine society for amateur double star observers. The "Spirit of 33". The Double Star Section of LIADA.

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South African Skywatch Observatory | Observing the Sun and Other Stars

South African Skywatch Observatory. Observing the Sun and Other Stars. SID Programme Finally Started: The Antenna. This gave a value of 10 nF. My recent receiver design (circa 2011), which has neither been built nor tested, was to have the following features:. Single 5V d.c. supply. Gyrator tuning and second stage amplifier gain adjustment by means of digital potentiometers. Zero-crossing detector, precision full-wave rectifier, peak detector and d.c. level shifter. Powered by Paяabola.

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