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1  VSAT technology and installation / Hub and VSAT satellite equipment for sale and wanted / Wanted : Chaparral Corotor II & Chaparral Servo Motor
 on: Yesterday at 10:28pm 
   
I was wondering if any one has a Chaparral Corotor II & Chaparral Servo Motor for sale .
If you have please contact me many thanks .

2  VSAT technology and installation / Satellite dish installations - pictures and descriptions / Re: How to find focal length for LNB
 on: May 1st, 2026 at 7:52pm 
   
You could try the calculator at:

https://www.satsig.net/pointing/finding-dish-offset-angle.htm

You need the maximum depth of the dish as well as the two diameters. Put an accurately straight edge up/down the front, and measure the maximum depth as accurately as possible.

It it works let us know. The calculation method is a bit uncertain and it would be helpful to get feedback.
wxw

3  VSAT technology and installation / Satellite dish installations - pictures and descriptions / Re: Impact of 5G Base Stations on C-band Earth Station Antennas
 on: May 1st, 2026 at 5:40pm 
   
Finding the source of terrestrial interference from cell phone towers etc.

I have had success using a hand held feed horn and LNB connected to spectrum analyser and then swinging it around to find the direction of the source.

Good for locating any terrestrial source including ships radar in nearby harbour, bus door mechanism, neon signs, security guard's radio!.

4  VSAT technology and installation / Hub and VSAT satellite equipment for sale and wanted / Re: Newly 6.2m Ka Band Antenna System On sales
 on: May 1st, 2026 at 3:01pm 
   
For reference, Ka-band is the microwave frequency range from 26.5 to 40 GHz.

It is used for satellite communications, 5G Technology and Radar

5  VSAT technology and installation / Dish pointing and alignment / Re: How to use the portable satellite communication flyaway antenna in emergency disaster relief
 on: May 1st, 2026 at 2:27pm 
   
Here is an example below of a satellite communications beam used during an emergency.

...
Use of satellite beam for emergency service

In December 2004 there was an Asian earthquake and a beam was used from a Eutelsat satellite located at 21.5 deg east orbit longitude was used. The image above shows the beam coverage. In some cases a beam may be repointed, using pointing mechamism on the satellte, to direct the beam towards the area needing service.

More details: https://www.satsig.net/ior-emergency-satellite.htm

6  Anything else / General and other topics / Re: Sun outages due to sun noise - Autumn 2014
 on: Apr 30th, 2026 at 3:05pm 
   
The link in the above post no longer works and the calculator appears to have been moved it to its own domain.

Sun outage calculator

Got to Sun outage calculator

You need to input the satellite (or orbit position location) of your antenna (latitude and longitude) diameter and frequency band.  The calculator works out the dates and times when the sun is in the antenna beam.

Best regards, Forum admin.

7  Service Providers / Satellite Internet - Americas / Re: Sun Conjunction Time Again
 on: Apr 30th, 2026 at 3:02pm 
   
Sun outage calculator

Greg, I have found a good link to a Sun outage calculator

You need to input the satellite (or orbit position location) of your antenna (latitude and longitude) diameter and frequency band.  The calculator works out the dates and times when the sun is in the antenna beam.

I would be interested in feedback. If you calculate for your site and then observe carefully the times of noise increase and decrease we will be able to evaluate the accuracy of the calculator.

Best regards, Forum admin.

8  VSAT technology and installation / Dish pointing and alignment / Re: How do sun outage and eclipses affect communication satellites?
 on: Apr 30th, 2026 at 2:59pm 
   
Sun outage calculator

I have found a good link to a Sun outage calculator

This is recommended. It replaces an earlier version on the NYNEX web site.

You need to input the satellite (or orbit position), location of your earth station (latitude and longitude) antenna size and frequency band.  The calculator works out the dates and times when the sun is in the antenna beam.

I would be interested in feedback. If you calculate for your site and then observe carefully the times of noise increase and decrease we will be able to evaluate the accuracy of the calculator.

Best regards, Forum admin.

9  VSAT technology and installation / Satellite dish installations - pictures and descriptions / Re: Installation video of portable flyaway antenna
 on: Apr 30th, 2026 at 2:48pm 
   

Here is a good link to VSAT install videos https://www.youtube.com/@anteskygoup6107/videos

Best regards, Forum admin

10  VSAT technology and installation / Hub and VSAT satellite equipment for sale and wanted / -For Sale Orbit OceanTRx7-500 Ku-band maritime VSAT antennas – available
 on: Apr 30th, 2026 at 2:30pm 
   
Hi,

I have two Orbit OceanTRx7-500 maritime VSAT antenna systems.
     •      Ku-band stabilized maritime antennas
     •      Complete units with main assemblies
     •      Used condition (claimed working condition by cruise vessel)
     •      Currently located in Istanbul

The systems appear mechanically intact, and photos / additional details can be shared if needed.

Feel free to reach out.

numanumtt@gmail.com

LinkedIn: Numan Umut ÖLÇÜ