Month / June 2019

by KE6MT

New Equipment! QRPGuys EZ-WSPR Pi

Back in January of this year (2019), QRPGuys announced a new kit: the EZ-WSPR Pi, based on a public-domain circuit by HA7DCD. TAPR also has a fully-assembled surface-mount version. These are filter boards enabling you to use a Raspberry Pi to output a WSPR signal.

Links to products on Amazon and eBay are affiliate links. If you make a purchase, I may receive a small commission at no additional cost to you.

Back in January of this year (2019), QRPGuys announced a new kit: the EZ-WSPR Pi, based on a public-domain circuit by HA7DCD. TAPR also has a fully-assembled surface-mount version. Both are “simply” a combo LPF (low-pass filter) and BPF (band-pass filter) with a buffer (and amplifier) for the clock output of the Raspberry Pi, which is what creates the WSPR signal.

Continue reading →
by KE6MT

New Equipment! QRPGuys Mini 80m-10m No Tune End Fed Half Wave Antenna

Yeah, that title is a mouthful! And for something with such a long name, it sure is a tiny little kit. Several weeks ago, Doug Hendricks from QRPGuys handed me a prototype kit to try. It’s now available for sale on their site. The QRPGuys Mini 80m-10m No-Tune End Fed Half Wave Antenna.

Links to products on Amazon and eBay are affiliate links. If you make a purchase, I may receive a small commission at no additional cost to you.

Yeah, that title is a mouthful! And for something with such a long name, it sure is a tiny little kit. Several weeks ago, Doug Hendricks from QRPGuys handed me a prototype kit to try. It’s now available for sale on their site. The QRPGuys Mini 80m-10m No-Tune End Fed Half Wave Antenna.

Continue reading →