VLF Grabbers




This is a list of VLF grabbers (websites that link VLF receivers to the internet for all to see). Some are on continuously whereas others may only be activated during specific VLF tests. Please let me have details of any grabbers missing from the list.


Also note http://digilander.libero.it/i2ndt/grabber/grabber-compendium.htm which has links to many grabbers including those for LF, MF and microwaves.

Permanent VLF 24/7 Grabbers - updated 23.1.16

Location
Web address
Owner
LocatorComments

UK http://abelian.org/vlf/fbins.shtml#p=1301500800&b=120&s=sp
Paul Nicholson
IO83xq

Very very sensitive UK grabber at Todmorden UK

Canada
http://www3.telus.net/sthed/argo/VE7TIL
CN89dk
Wideband VLF grabber currently. Will have 8.97kHz grabber later.
Icelandhttp://simnet.is/halldorgudmunds/TF3HZ_VLFgrabber/
TF3HZHP94CD30Ji8.97kHz grabber. Very sensitive and low noise floor. Using DK7FC E-field probe
Italy
http://www.vlf.it/cumiana/livedata.htmlIK1QFKJN34rw

 
Italy
http://www.aeritel.com/vlf/index.html

IK7FMO
JN80nxConversano SE Italy
Italy
 iu7edu.jimdo.comIU7EDUJN80rtNew grabber
Germanyhttp://www.mydarc.de/df6nm/vlf/vlfgrabber.htm

DF6NM
JN59nk Nuernberg
Germany
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.htmlDK7FCJN49IK00wd8.97kHz grabber
Germany
 http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.htmlDK7FCJN49IK00wd6.47kHz grabber
Germany

http://skmail.ikp.physik.tu-darmstadt.de/gvw/grabber.html
University of Darmstadt
 Monitoring VLF spectrum and earthquake precursors
Israel
 http://www.qsl.net/4x1rf/vlf/vlfgrabber.htm 4X1RFKM72ls8.97kHz grabber in Haifa. Using DK7FC E-field probe
Austria
http://members.aon.at/grabber/VLF/
 OE3GHBJN88hl


Austria
 http://www.langwelle.at/ OE5ODLJN68rb

 
USA (Alaska)

Wideband http://kl7l.com/fast00000.jpg
and 8270Hz or similar
http://kl7l.com/slow00000.jpg
 
 KL7LBP51ip

Subject to availability and QRM from his LF/MF transmitters.
Romania
 http://qsl.net/4x1rf/yo/vlfgrabber.htmYO/4X1RFBucharest
Also LF grabber http://www.qsl.net/4x1rf/yo/lfgrabber.htm
Czech Republic
 http://www.ok2bvg.cz/vlfgrabberOK2BVGJN88jsGrabber in a low noise rural location.
     

There is no longer a VLF grabber at G3XVL as Chris has too much local noise.

Temporary VLF Grabbers (on for special tests only and not 24/7) - updated 29.3.14

Location
Web Address
 OwnerLocation
Comments

 UK 

http://abelian.org/vlf/sg8270.php

Paul Nicholson
IO83xq
Very sensitive grabber on 8.270kHz looking for DJ8WX test transmissions.
 UK http://g3wcd.bplaced.net/ G3WCD IO92vfVarious bandwidths plus ZEVS (82Hz) monitoring.
 UKhttps://sites.google.com/site/sub9khz/vlf-grabbers/xbm-grabber
 G3XBMJO02dgUsually in 424uHz BW. Active during tests and not 100%.
 UK http://myweb.tiscali.co.uk/wgtaylor/9khz.html G4WGTIO83qo
8.970kHz at 423uHz usually

 UK http://www.g3zjo.talktalk.net/vlfgrabber.htm G3ZJOIO92ng

Active when tests ongoing. Now with several FFT bandwidth windows

 Italy NEW

http://www.luigicolella.com/index.php/ham-radio/iw7egm-vlf-grabber

 IW7EGM JN80ox

500m from home/TX of New grabber (temporary) 8.970kHz in SE Italy by Luigi CoLella.

 Canada http://www.nrtco.net/~ve2iq/grabs/index.htm VE2IQ

 FN15nt 
 Australia http://www.users.on.net/~bobw/lf/

 VK7ZL Austalia 
 Netherlands http://www.qsl.net/pa1sdb/ PA1SDB NetherlandsAntenna is a mini-whip (EFP) at 6m above ground.