OwenDuffy.net 


QRSS grabber @ VK2OMD

A highly experimental grabber, part time operation. If you would like the grabber active, drop me a line and lets see what can happen... Owen.

One of the great frustrations with QRSS is the huge amount of unreliable web infrastructure, be it web pages, email reflectors, grabbers etc. Whilst only available part time, and by arrangement, emphasis is placed on reliability of this grabber. Problem reports are welcome, they will get attention. Use the contact link in the footer of this page.

Fig 1:

... see Recent grabs (updated just after the hour, files kept for two days).

Location is QF55fm, about 100km SW of Sydney.

 FFT noise bandwidth on HF 0.252Hz, or -6dBHz, VHF and UHF is 0.5Hz or -3.0dBHz.

This page will automatically refresh 60 to 75s after the 10min mark (randomised to minimise web server congestion). The grabber and the web server are synchronised to a reliable time reference.

There is a small chance that the image is not uploaded in a timely manner. Though the transmission facility will retry, it is at the mercy of the Internet which performs very poorly here thanks to a government ideology that whilst pursuing an ideology of 100Mbps allows ISPs to sell access with no enforceable speed criteria. Congestion due to oversubscription of the network means speeds realised are often less than dial up speeds of a decade ago. Your access to the web server should be better, it is located in another country.

Recent grabs (updated just after the hour, files kept for one day).

If you see my transmission on the grabber, the receiver has no antenna, and you will not be heard until I cease transmitting.

Links / References

Changes

Version Date Description
1.01 03/06/2012 Initial.
1.02 29/08/2012 Changed to show Offline page if not active.
1.03 10/01/2013  Call sign change

© Copyright: Owen Duffy 1995, 2016. All rights reserved. Disclaimer.