Showing posts with label QST. Show all posts
Showing posts with label QST. Show all posts

Thursday, May 27, 2010

QST for June 2010 arrived in Sydney today

Now I can see the article by Tony K2MO that was being talked about on the digitalmodes email list and that generated a flurry of activity with the ALE 400 mode. It explains how to use MultiPSK by Patrick F6CTE to use ALE 400 to have error-free two way keyboard chats.



Other articles this month include:
Homebrew Challenge II Winner #1 — The Lowest Cost Entry - Donald W. Huff, W6JL
For less than $30, you can build this 40 meter band 50 W linear amplifier for your QRP rig.

HF Yagi Triplexer Especially for ARRL Field Day - Gary Gordon, K6KV
Put three transceivers on one antenna using a decoupling network in conjunction with band-pass filters.

A Fan Dipole for 80 through 6 Meters - Richard P. Clem, WØIS
Parallel dipoles can be easy to build and are quite effective — once you know the rules.

Receiver Sensitivity — Can You Have Too Much? - Joel R. Hallas, W1ZR
With modern receivers, hams are not as concerned with sensitivity as they once were. But if you want top performance from your rig, here are some tips to keep in mind.

A Vehicle Mounted Mast for Field Operating - Geoff Haines, N1GY
This easy-to-deploy portable mast will get your Field Day antenna up fast.

Product Review includes the second part of the wrap on popular dual-lever keyer paddles — Vibroplex Iambic Standard, Elecraft's HexKey, K8RA's P-2 & W5JH's Black Widow Kit.

Monday, May 17, 2010

QST for May 2010 arrived in Sydney today


Articles this month include
  • a report on the second Homebrew Challenge featuring inexpensive designs (think around $30) for a 50 W amplifier.
  • circularly polarized Yagi antennas for satellite communications
  • a homebrew a window feed through panel
  • explaining the differences bewteen a duplexer and a diplexer
  • a six band - 20 - 6 metres log periodic dipole array using a phasing line.
  • an Amp-Hour meter for portable ops to monitor battery discharge rate.
  • there's also a review of some popular dual-lever keyer paddles and a couple of noise canceling headphones, and the Yaesu FT-1900R 2 meter transceiver. 
More info - including how to subscribe - here.