About Me

ISP & Network guru with 15 years experience in the ISP field.

 

March 2010
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Rescue Tape for sealing Coax

http://www.rescuetape.com/

Great for sealing coax connectors for WISP & Ham uses.

Starting a WISP – Mounting antennas

There are a wide variety of ways to mount equipment.  We are big fans of using standoffs.  By using standoffs you are lessening the rick of electrical surge damage. Electricity will find the shortest path to ground.  It won’t travel down/up a tower, out to a standoff, and back.  Standoffs also do the important job [...]

300 million for 14 grants

http://www.dailywireless.org/2010/01/25/300m-in-broadband-grants-for-14-projects/

This is one reason WISPs need to unify.  Look at the list of companies that are getting this money.  I count 11 telephone companies & Utilities. At this rate the typical WISP will have an uphill battle.  To me the WISP industry is not a long term model.  I could be wrong.  This is why [...]

Picture of the Day

Mikrotik 5.8 Backhaul

2.4GHZ channels

2.4 GHZ in the US has 3 non-overlapping channels (1,6,11). the rest overlap to some degree,

Channel
Frequency

1
2412

2
2417

3
2422

4
2427

5
2432

6
2437

7
2442

8
2447

9
2452

10
2457

11
2462

mW to dB conversion

This handy table helps you convert total EIRP and such things.

mW
dB

75mW
19dB

100mW
20dB

125mW
21dB

150mW
22dB

200mW
23dB

250mW
24dB

300mW
25dB

500mW
27dB

1W
30dB

2W
33dB

4W
36dB

8W
39dB

10W
30dB

25W
44dB

Install Photo of the Day

Sector and radfio on a standoff around 300 feet

Install Photo of the day

Wispa’s comments on National Broadband

http://www.wispa.org/?p=1732

Install Photo of the Day

Core Routing