Band Opening Quick Check

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N1NTE:
For the benefit of a ham I am elmering I created a webpage with shortcuts to each of the HF amateur bands on my N1NTE KiwiSDR receivers. He wanted a quick visual way to check the activity on specific ham bands and to look for band openings. I automatically set the zoom so that it shows the whole band in the waterfall so you have a nice visual indicator of the activity across the whole band. The audio is muted so it didn't conflict with the audio coming out of his HF rig.

I figured it might be helpful to others so sharing it here.

https://n1nte.blogspot.com/p/band-open-quick-check.html

 
- Rob

Pete, WA2CWA:
Quote from: N1NTE on January 03, 2022, 12:52:02 PM

For the benefit of a ham I am elmering I created a webpage with shortcuts to each of the HF amateur bands on my N1NTE KiwiSDR receivers. He wanted a quick visual way to check the activity on specific ham bands and to look for band openings. I automatically set the zoom so that it shows the whole band in the waterfall so you have a nice visual indicator of the activity across the whole band. The audio is muted so it didn't conflict with the audio coming out of his HF rig.

I figured it might be helpful to others so sharing it here.

https://n1nte.blogspot.com/p/band-open-quick-check.html
 
- Rob


Listening to a band and not hearing any stations is not an indication that their is not a band opening in your particular area.  It could just mean no one is around to take advantage of the opening. Also, depending on the propagation, the band opening could only affect a small area at a point in time.

A better indicator is to use DX Maps: www.dxmaps.com

Here's a screen capture of 10 meters as I type. It's refreshed every couple of minutes. Very good indication of openings from multiple points and the type of propagation that's being encountered.

N1NTE:
As I mentioned, the "quick check" page was set up for a new ham. He was frustrated by a lack of HF SSB contacts so it was to his benefit to have a quick visual of activity on the band so he could increase his chances of a contact. It would likely increase his frustration to use another tool that told him that the band was open but activity was low to non-existent.

I am not arguing the advantage that dxmaps.com has in determining a band opening. I was only offering another method to help someone in a similar situation or someone who  wanted to quickly see the activity on the band.


- Rob

Pete, WA2CWA:
Besides propagation, a lot would depend on the HF operating band, the mode, time, transmitter power, and antenna. The 80/75 meter and 40 meter bands also tend to be more "cliquey", especially on phone, then some of the other bands which can frustrate operators trying to make contacts.

Carl WA1KPD:
Neat project Rob, Thanks for setting it up
Carl
WA1KPD

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