Roger G3XBM's (Mainly) Amateur Radio Blog

With the availability of very low cost HB100 10GHz Doppler radar modules on eBay, many are trying their hands at very simple WBFM transcei...

Quite a few people have been experimenting with very low cost 10GHz units that can be bought for very little on eBay. A few cups of coffee s...

Someone in Australia asked this recently. There are many sources on the internet at rock bottom prices. Remember the price includes a scree...

Steve G1KQH sent me this link: http://ik1zyw.blogspot.co.uk/ 2017/04/hb100-10-ghz-module- frequency-agility.html You may recall that the...

An old work colleague, Richard G3TFX , has found these modules on eBay for £2.23 with free postage . This is an insane price.

I see that a new world record has been set in Italy using the very low cost HB100 Doppler radar module (204km). This was wideband FM, I ...

The HB100 Doppler radar modules can be bought for just a few UK pounds on eBay. These are the modern day equivalent of the Gunnplexers of ol...