Tag Archive for ATS-3

Drag soldering

dragsolder

A big tip o’ the hat to Chris N2YYZ for passing along a new-to-me technique for soldering tiny SMD parts. I’ve heard of the hot air flow method and the heat-it-in-a-skillet method with solder paste as well as a few other techniques but drag soldering? That’s a new one on me and I must say, it looks…

QRP kits: Audio response

Click for larger

Many people who’ve used an ATS-3 mention the receiver characteristics of this amazing little riglet. The typical refrain is “signals seem to just pop out as I tune the rig”. That certainly is the case and it is an amazing characteristic, especially given its size. To a lesser extent the same can be said for…

Bandwidth measurements of QRP rigs

ATS3a_graph

Over the next few days I’ll be using Spectran and a Gigatronics 2420M to plot audio output characteristics vs RF input for the various QRP rigs that I own. Those results will be posted to the QRP pages section under the QRP Equipment category as well as to the particular page of specific rigs that have their…

Dual aspects of QRP

KT5X operating QRP @ 14. 040' on Handies Peak. Click for larger.

The mountaineering trio of Guy N7UN, Steve wG0AT and Fred KT5X are now back to oxygen-rich atmospheres of lower elevations and, hopefully, collating their photos and memories into write-ups and a video. Although they couldn’t know it, as I worked Fred and Guy, I had just finished a landline QSO with another ham who is…