I'm hoping to make it up Harter Fell in the Lake District tomorrow with my QO-100 kit. I need four QSO's to make it a valid activation, please look at for me around 10489.700MHz. Many thanks Nick G0HI

I've just seen an announcement from Qorvo on one of the trade lists that they are now producing a 10 - 13GHz +50dBm GaN PA device (QPM1021). Although it's meant for long-pulse operation, and the data

Hi all, Does anyone have a pair or xrf286 kicking around they are willing to part with needed for 23cm amp build willing to pay cheers Chris G0WUS

I need to be able to check relative power/output levels on 24GHz. Something like a suitable diode in a piece of guide that I can hang a DC meter off would suffice. Or something similar. Is there a che

Hi all, Second run interest is now north of 140 units so I've has some quotes returned from the manufacturers. The price of the horn & feed/coupler remains unchanged. The cost of the assembled & teste

My thanks to all the group members who have recently given me good advice on my earth stack problems. A friend of mine has a heavy duty hammer drill that is unstoppable. I will turn up on my lathe a s

Just looked at this site. The discussion about stacking of yagis uses a formula for antenna aperture with Pi in the numerator, but should be in denominator, so his answer is too high by factor ~10. Ma

All Hopefully no one minds me putting this FS notice up here as its not quite microwave but I would rather this kit goes to the right home as it were I purchased this kit with the plan to get going on

Morning all, I have built a three pole interdigital filter as described on W6PQL's website (http://www.w6pql.com/23cm_filters.htm ). Unfortunately my VNA is only 1 port which means it's going to be a

Anybody out there want an HP8590a spec. an. 10kHz to 1.5GHz. Fully working with homemade tracking gen. Looking for around £600.. Collection from Felixstowe is preferred. Can then demonstrate it workin

Not entirely on topic but something that might affect us all. For years I have put up with a load of computer generated spurs on waterfalls especially on 50MHz 70Mhz and 144Mhz. Yesterday I changed mo

Hi All Sorry this is a bit off topic, but not totally irelevant! Some years ago, I bought an Infra-red thermometer to check the temperature of a hot plate for soldering, but didn't find it reliable an

Having explored multiple avenues to get a calibrated power reference into my workshop I finally bit the bullet and bought a cheap HP435B non-working power meter for parts for a home-brew power meter.

What's the best tool to prep semi rigid coax with? Been using my Stanley knife but is there something easier? Ben

I'm using this TCXO Part No 1449-LFTVXO075802CUTT Type LFTVXO075802Cutt TCXO 10.0MHz .28ppm in my 3.4GHz transverter and for a relative low cost frequency source, it's excellent. But I can't work out

Hi, Has anyone any experience of this kit oscillating on transmit? Even with no LO and no IF signal applied, the output pair of devices bursts into oscillation. When you transmit an FM or reasonably s

The final session of the 5.7/10GHz Contests for 2020 takes place tomorrow Sunday 27th September, from 0600 to 1800 GMT (0700-1900 BST) you can operate for an 8 hour period maximum between those times.

Sorry for the plug, but I've just listed a collection of goodies on eBay: Kuhne 250W PA - never used Kuhne recommended heatsink and fans Ultimate Amplifier Control Board Suitable SMPS Thermistors 19"

Next Sunday sees the final session of the UK Microwave Group 5.7 and 10GHz contest series. This takes place between 0600 and 1800 GMT (0700 - 1900 BST), entrants can operate for a maximum of 8 hours d

Hello, I want to change my locator for portable locations on beaconspot. Do I just change it on beaconspot , or is it more complicated than that? I didn’t want to upset what had already been put on. I