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GB3YT (YV,YX) (329)
117km Lightwave QSO! (328)
Chirp Tx with Red Pitaya - 1 (328)
436MHz DATV Up-Converter (328)
Summer Fun ATV 2008 (328)
3.4GHz Airspan Board mods (328)


Cluster Activity

Spots per uW band today:
UK spotter or spotted only.

Solar data:
SFI
71
A-Index
11
K-Index
1
Exp.K
0
Sunspots
0
Activity
qui
GMF
act
Aurora?
no

My Weather

ArrayDate:22/02/19 Time:12:43
Temp:17.5C
Wind Speed:5mph
Wind Dir:180deg
Pressure:1031.79mB
Humidity:250%
Dew Point:47.5C
UKHASnet

The Geiger counter is made from a kit, I cheated!

But it is a well put together kit with all the features one may require.
See here for more details: https://sites.google.com/site/diygeigercounter/

The Geiger Muller Tube i'm using is an BOI-33/STS-5.

STS-5 Tube



A graph of volts vs cpm for the tube i'm using:

BOI-33/STS-5










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