This is the old "N1BUG Web" site which ceased operation in 2006 due to illness. These files are provided here for reference but some information may be out of date. I will attempt to update and modernize as time allows but please don't expect miracles. I have more important things to do, such as continuing to work on my health.
Last updated 3 March 2013
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8/6/01 6/8/01 01/8/6 ..... All refer to the same day?! But what day? [2001-08-06]
Please support the ISO 8601 standard for dates and times on the web.
More information.
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Basic Info on VHF / UHF / SHF Propagation Modes
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| F2 (looking for author) | 50 MHz | |
| Ionospheric Scatter | 1200 miles | 50 and 144 MHz |
| Field Aligned Irregularities (FAI) | 1400 miles | 50 and 144 MHz |
| Auroral E | 1400 miles | 50 and 144 MHz |
| Sporadic E | 1400 miles | 50 through 222 MHz |
| Aurora | 1200 miles | 50 through 432 MHz |
| Meteor Scatter | 1400 miles | 50 through 432 MHz |
| EME (Moonbounce) | worldwide | 50 through 10368 MHz |
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More coming soon...
looking for authors... |
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Map of contacts vs. time for the 144 MHz Es opening of 1999-06-26.
| Using 75 ohm CATV Hardline on VHF. It's cheap and it works! |
| Simple 144 MHz 4CX1000A. Schematic and Parts List for my old 2 meter amplifer from the 1990's. |
| The AM-912 Amplifier on 144 and 222. Inexpensive 300W for two bands. |
| The Weak-Signal Capability of the Human Ear. Paper on how weak an EME signal a good CW operator can copy, by Ray Soifer, W2RS. |
| Getting Started in EME. Equipment and operating techniques for moonbounce. |
| Polarization of EME Signals: How To Succeed More Often. |
| What is MaxNR?. MAXNR.DOC file from Z-Track distribution (in HTML form). |
| EA8FF 432 cross yagis with open tube feed. A very interesting EME system. |
| Simple Elevation Readout for EME. Inexpensive and can also be used for azimuth! |
| Elevation Drive Using a Linear Actuator. My old elevation drive from a few years ago. |
| Download RF Toolbox (DOS). Noise figure, attenuators, VSWR calculations, and more. |
| Download QSO.BAS (requires GWBASIC). An initials tracking program by WB9UWA. Tracks both CW and JT44 initials. |
| Download EME SNR Spreadsheet by AL7EB (based on original by DF9CY). Excel spreadsheet calculates system noise figurre, system sensitivity, and EME path signal to noise ratio. |
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| Laser DX. Getting started in laser DXing. Overview, equipment, and operating information. |
| If you are looking for Windows, Macintosh, or Linux EME software, I recommend MoonSked by David Anderson, GM4JJJ. Z-Track remains available for those seeking EME software for DOS. |
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Z-Track 3.08 and 3.21 Personal EME Manager |
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WAS Manager 1.0 Worked All States Database |
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This site created and maintained with |
MMSS/N1BUG Ham Software
