High Performance WIFI link - Versionsgeschichte

Dl8rds: /* Installation */

2010-04-10T16:50:19Z

‎Installation

2010-03-28T02:20:01Z

2010-03-28T02:00:18Z

‎Idea

2010-03-28T01:59:03Z

‎Antenna Setup

2010-03-13T00:36:18Z

‎Antenna Setup

2009-11-16T14:35:21Z

‎Cases

2009-11-16T00:06:20Z

2009-11-16T00:05:53Z

2009-11-16T00:05:10Z

‎Cases

2009-11-15T23:55:14Z

← Nächstältere Version		Version vom 10. April 2010, 16:50 Uhr
Zeile 87:		Zeile 87:
	1 8 ---DCD--' `--DCD------- 8 1		1 8 ---DCD--' `--DCD------- 8 1

		+
		+	The speed is 115200 bit/s and the login credentials after a fresh installation are '''admin''' and no password.

	=== Pick an operating frequency ===		=== Pick an operating frequency ===

← Nächstältere Version		Version vom 28. März 2010, 02:20 Uhr
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	* Sources: http://www.dd1us.de/Downloads/6cm-3cm.pdf		* Sources: http://www.dd1us.de/Downloads/6cm-3cm.pdf
	* http://www.qsl.net/kb9mwr/projects/wireless/modify.html		* http://www.qsl.net/kb9mwr/projects/wireless/modify.html
		+	* http://mysite.verizon.net/michael_d_lewis/5.7GHz_Project.htm (K7MDL having similar ideas)

← Nächstältere Version		Version vom 28. März 2010, 02:00 Uhr
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	Which permits the establishment of really bold links...		Which permits the establishment of really bold links...
		+
		+	* Sources: http://www.dd1us.de/Downloads/6cm-3cm.pdf
		+	* http://www.qsl.net/kb9mwr/projects/wireless/modify.html

← Nächstältere Version		Version vom 28. März 2010, 01:59 Uhr
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	* 2010-03-13 The OMs from DL0AO (the contest station of the club in Amberg) agreed to build the antenna related stuff. So I am about to transport the dishes to Amberg.		* 2010-03-13 The OMs from DL0AO (the contest station of the club in Amberg) agreed to build the antenna related stuff. So I am about to transport the dishes to Amberg.
		+
		+	=== Idea ===
		+	This is just a little notepad for an idea: Since the Mikrotik boards as well as the RouterOS support the NSTREME mode where transmit and receove will be split across different cards, it would be possible to serve a link in duplex mode PLUS transvert it into the 10 GHz band. There, practically no bandwidth limitations apply...
		+
		+	The Atheros chipset covers the following base frequencies, among many others:
		+
		+	* 5000, 5005, 5010, 5015, 5020, 5025, 5030, 5035, 5040, 5045, 5050
		+	* 5125, 5130, 5135, 5140, 5145, 5150, 5155, 5160, 5165, 5170, 5175
		+
		+	These frequencies could be transverted to frequencies in the frequency blocks
		+
		+	* 10000 - 10100
		+	* 10250 - 10350
		+
		+	Which permits the establishment of really bold links...

← Nächstältere Version		Version vom 13. März 2010, 00:36 Uhr
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	=== Antenna Setup ===		=== Antenna Setup ===
−	~~tba~~	+
		+	* 2010-02-28 Here's how a 5 GHz patch antenna looks like. Unfortunately the sample here is based on a regular PCB and not on Teflon or another substance. So there's some considerable loss already due to the carrier substance.
		+
		+	[[Image:5ghz_patch_antenne.jpg\|400px]]
		+
		+	* 2010-03-13 The OMs from DL0AO (the contest station of the club in Amberg) agreed to build the antenna related stuff. So I am about to transport the dishes to Amberg.

@@ Zeile 163: / Zeile 163: @@
 [[Image:mikrotik-gehaeuse3.jpg|400px]] [[Image:mikrotik-gehaeuse4.jpg|400px]] [[Image:mikrotik-gehaeuse5.jpg|400px]]
-During the recent hot August summer days I noticed that the cases will heat up enormously when exposed to sunshine. In order to prevent overheating, I decided to apply some additional trick: The PCB cases will be built into a metal case which is open to the bottom. The metal case will then reflect the hot sunrays and keep the board case relatively cool.
+During the recent hot August summer days I noticed that the cases will heat up enormously when exposed to sunshine. In order to prevent overheating, I decided to apply some additional trick: I will attach mirror plates to the case to reflect the sunlight energy and reduce the absorbed heat.
 === Preamplifiers ===

@@ Zeile 1: / Zeile 1: @@
 [[Image:Schuessel.jpg|400px|right]]
 [[Image:MikrotikRB433.jpg|400px|right]]
-[[Image:mikrotik-gehaeuse1.jpg|400px]]
+[[Image:mikrotik-gehaeuse1.jpg|400px|right]]
-[[Image:mikrotik-gehaeuse2.jpg|400px]]
+[[Image:mikrotik-gehaeuse2.jpg|400px|right]]
 == Project goals ==

@@ Zeile 159: / Zeile 159: @@
 The cases are ready. I have built two cases for each Mikrotik board. The cases have consumed some thought, especially on how to make them weather-proof. I got inspired by the design of SSB's preamplifiers: The board carrier PCBs slide into the case from the bottom and are led by U profiles. The carrier board doesn't just slide in to shut the case but goes in a centimeter deeper to provide a drain ridge so the rain drops won't flow into the case. And finally, the current setup allows very easy sealing. Here are some photographs:
-[[Image:mikrotik-gehaeuse1.jpg|400px]] [[Image:mikrotik-gehaeuse2.jpg|400px]] [[Image:mikrotik-gehaeuse3.jpg|400px]]
+[[Image:mikrotik-gehaeuse3.jpg|400px]] [[Image:mikrotik-gehaeuse4.jpg|400px]] [[Image:mikrotik-gehaeuse5.jpg|400px]]
 During the recent hot August summer days I noticed that the cases will heat up enormously when exposed to sunshine. In order to prevent overheating, I decided to apply some additional trick: The PCB cases will be built into a metal case which is open to the bottom. The metal case will then reflect the hot sunrays and keep the board case relatively cool.

← Nächstältere Version		Version vom 15. November 2009, 23:55 Uhr
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	[[Image:mikrotik-gehaeuse1.jpg\|400px]] [[Image:mikrotik-gehaeuse2.jpg\|400px]] [[Image:mikrotik-gehaeuse3.jpg\|400px]]		[[Image:mikrotik-gehaeuse1.jpg\|400px]] [[Image:mikrotik-gehaeuse2.jpg\|400px]] [[Image:mikrotik-gehaeuse3.jpg\|400px]]
		+
		+	[[Image:mikrotik-gehaeuse4.jpg\|400px]] [[Image:mikrotik-gehaeuse5.jpg\|400px]] [[Image:mikrotik-gehaeuse6.jpg\|400px]]

	During the recent hot August summer days I noticed that the cases will heat up enormously when exposed to sunshine. In order to prevent overheating, I decided to apply some additional trick: The PCB cases will be built into a metal case which is open to the bottom. The metal case will then reflect the hot sunrays and keep the board case relatively cool.		During the recent hot August summer days I noticed that the cases will heat up enormously when exposed to sunshine. In order to prevent overheating, I decided to apply some additional trick: The PCB cases will be built into a metal case which is open to the bottom. The metal case will then reflect the hot sunrays and keep the board case relatively cool.