Dave, I may be proven wrong, but I don't think filters on two different frequencies will give the same effect. SDR receivers are based on the 90 degrees out of phase signals derived from a quadrature

Some years ago Rick Campbell wrote an excellent article for QST describing a 'Binaural Receiver'

I need a set of FOUR 100k or higher 2 watt or larger leaded resistors. Does anyone have some to spare? Please respond direct. Have a great day, --... ...-- Dale - WC7S in Wy "Actions speak louder

c u there Have a great day, --... ...-- Dale - WC7S in Wy "Actions speak louder than words" 1856 - Abraham Lincoln

Ill be key side for all three. de Paul N0NBD Sent from Outlook

Wayne, is that on 7122 tomorrow evening? 73 - Bob, K6KL

Good afternoon all, Just a quick heads-up, I will call 2 nets tomorrow evening, one at 00:00z and another at 00:30z, just to see if conditions differ appreciably. also, if the connectors arrive in

I would like to find a QRPometer for a good friend of mine. If anyone has one that is already built that you would sell please contact me at rolph981@.... If you have one that is in still in kit form

Tim They make copper plated or brass ground clamps Just for this purpose. Try Home Depot, or lowes? If you have a electrical supply company close by Go in and ask for ground clamps. Under 10$ Hose

I think I will do this plus the stainless hose clamps as Don suggested. I don't lay awake at night worrying about too many things! The tower guy used anti-seize between the sections but just the

It may take the copper to galvanized months to cause damage, but the resistance of the connection will start to rise immediately. Cut a small piece of stainless and place it between the copper and

You should be able to pick up a tube/bottle of Noalox by Ideal at Home Depot or other home improvement store. It's a greasy compound made for clamping aluminum and copper. I do think it will also do

Tim, I have bought stainless steel hose clamps from Home Depot, Lowes, hardware stores, and automotive supply places. Look around locally. Some do not have SS adjustment screws, but many have SS

So, I'm wanting to add an additional HF antenna here. Id like to go part way up my tower and run an end fed wire from a Unun to a tree. I'm thinking of mounting the unun on a tower leg and attaching

You might try Dennis G6YBC at Kanga UK. Dennis has a wide selection of 60m crystals. http://www.kanga-products.co.uk/ Unfortunately the Kanga website is not fully up and running just yet. I'm sure an

Try Rich at ESS on the web? Johnny AC0BQ -- QRP....."More smiles per Watt" 72 JOHNNY AC0BQ ..

G-QRP has been selling some 60m channel crystals recently. Expanded Spectrum Systems has 18.096. 73 Greg ________________________________________ Sent: Monday, October 31, 2016 11:16 AM To:

Hi all <short version> I was wondering if anybody knows of a place to order crystals for 17m and 60m preferrably near the qrpme prices. I recently finished 0 to 25W transmitter vxo based and included

2 BAD TRACES FROM THE I.C. TO VOL KNOB AND TO A RESISTOR.IM STILL BAFFLED.

Please hang in there as help can be found. Bad traces? You will have to be a bit more specific for knowledgable folk to help. Lets pause to not add do any damage while this is sorted out. Curt