ON3JT » VLF

SAQ will be aired again on Christmas Eve

Joost — Tue, 23 Dec 2008 07:17:06 +0000

On wednesday the 24th of december 2008 the vlf transmitter SAQ will be aired again. Not really in the evening, although it depends where in the world you live. Transmission is planned at 08.00 UTC and 08.30 UTC. The frequency is 17.2 kHz CW. Running up an tuning of the transmitter begins about 07.30 UTC. And for [...]

SAQ will be aired again on Christmas Eve is a blogpost from: ON3JT

Reception of the VLF transmitter SAQ on june 29th 2008

Joost — Sun, 29 Jun 2008 20:05:04 +0000

My most ill prepared attempt ever. I took my laptop and my BBB4 receiver and some wire as antenna. Everything installed just minutes before 9:00 UTC at my parents place. I heard the tuning of the transmitter, correction I saw the tuning, heard about nothing. Very weak this time for me. So I let the pictures speak [...]

Reception of the VLF transmitter SAQ on june 29th 2008 is a blogpost from: ON3JT

CQ from SAQ VLF transmitter july 2007

Joost — Fri, 24 Aug 2007 21:51:35 +0000

Earlier this year I obtained a vlf converter from Datong trough eBay. The total cost including shipping was about 12 euro. A real bargain. I saw the same converter a few weeks later again on eBay, this time it was won by a Frenchman for more than 60 euro. The Datong converter converts the vlf [...]

CQ from SAQ VLF transmitter july 2007 is a blogpost from: ON3JT

German NAVY VLF transmitter DHO38

Joost — Mon, 31 Oct 2005 20:26:47 +0000

The VLF transmitter DHO38 is a transmitter for VLF of the German Navy near Saterland, West-Rhauderfehn, North-Germany. It is used to transmit coded orders to diving submarines of the German Navy and of Navies of other NATO-countries. DHO38 transmits since 1982 on 23.4 kHz with a power up to 800 kilowatts. DHO38 uses an umbrella [...]

German NAVY VLF transmitter DHO38 is a blogpost from: ON3JT

SAQ Grimeton reception in 2005

Joost — Sun, 03 Jul 2005 19:54:58 +0000

I missed the transmission on 8:15 and 9:15 from SAQ. My parents asked us to come over for dinner, so I packed everything with me to receive the station there. I build a small loop a while ago and wanted to see how it is working. The frame of this antenna is about 40 cm [...]

SAQ Grimeton reception in 2005 is a blogpost from: ON3JT

Historical transmission of SAQ on 17,2 kHz

Joost — Mon, 05 Jul 2004 19:32:53 +0000

On july 4th 2004 there was another historical transmission of SAQ. This vlf station is located at Grimeton in Sweden. For more information about this station : http://www.alexander.n.se My ‘contest’ to receive this station starts at 5:45 local time (3:45 UTC). My wife works in a hospital as a midwife and has the early morning shift. And [...]

Historical transmission of SAQ on 17,2 kHz is a blogpost from: ON3JT