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Fred Kemmerer

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Viewing 10 topics - 381 through 390 (of 526 total)

← 1 2 3 … 38 39 40 … 51 52 53 →

- Topic
- Voices
- Posts
- Last Post
- Checkins to our May 14 Repeater Net
  Started by: Fred Kemmerer in: On The Air Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- Quadrifilar Helicoidal Satellite Antenna
  Started by: Fred Kemmerer in: Homebrew Forum
- 2
- 2
- 8 years, 9 months ago
  Aron Insinga
- April Tech Night Video Posted – DXing and QSLing
  Started by: Fred Kemmerer in: General Information Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- High Altitude Balloon Launch Delayed
  Started by: Fred Kemmerer in: Youth Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- Reminder: Repeater Net Tomorrow Sunday 4/30
  Started by: Fred Kemmerer in: On The Air Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- Digital Contest Information
  Started by: Fred Kemmerer in: On The Air Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- Help kids make some contacts
  Started by: Fred Kemmerer in: Youth Forum
- 2
- 4
- 8 years, 9 months ago
  Fred Kemmerer
- April Newsletter – Call for Articles
  Started by: Fred Kemmerer in: General Information Forum
- 1
- 1
- 8 years, 9 months ago
  Fred Kemmerer
- Checkins on our Club’s Repeater Net – Sunday, April 16th
  Started by: Fred Kemmerer in: On The Air Forum
- 1
- 1
- 8 years, 10 months ago
  Fred Kemmerer
- Club Repeater Net
  Started by: Fred Kemmerer in: On The Air Forum
- 1
- 1
- 8 years, 10 months ago
  Fred Kemmerer

Viewing 10 topics - 381 through 390 (of 526 total)

← 1 2 3 … 38 39 40 … 51 52 53 →

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Featured Articles

A Multifunction Audio Processor For SSB Use
By Martin Blustine
Previously, a 4-channel audio multiplexer [1] was described […]
Countdown to Field Day 2018
By Fred Kemmerer
The Nashua Area Radio Society will again be participating […]
Ham Nation Features Nashua Area Radio Society Activities and Projects
By Fred Kemmerer
The Nashua Area Radio Society’s activities and projects […]
Interpreting S-Meter Readings
By Martin Blustine
Introduction Most communication receivers and transceivers […]

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Member Comments

Martin Blustine
on RF Driver Amplifier Circuit With Receive Bypass
This PCB requires a revision to add receive bypass path grounding upon transmit. The ungrounded receive bypass path during transmit...
Martin Blustine
on RF Driver Amplifier Circuit With Receive Bypass
There has been a question concerning DC bias to this circuit. One might infer from the schematic that the linear...
Martin Blustine
on Some Fun with Boolean Algebra
Here is a little video demonstration of the push-to-talk lockout feature that permits only in-band transmission. It rejects any attempts...
KU1V
on Getting Started with POTA and Portable Operation
Thanks for a great article. 73

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