Bob Schetgen Books

Qrp Classics 1991

Average: 0.00, 0 Ratings

When radio amateurs first began using tube transmitters, the race to work the most miles per watt was on. In the 50s, transistors added a new dimension to QRP (low power) operating. And with todays...

Packet--Speed, More Speed, And Applications: A Collection Of Advanced Packet Methods And Activities From Arrl Publications And Other Sources

By AMERICAN RADIO RELAY LEAGUE., Bob Schetgen

Average: 0.00, 0 Ratings

Vertical Antenna Classics

By Not Available (Na ), Bob Schetgen

Average: 0.00, 0 Ratings

The Arrl Radio Buyer'S Sourcebook

By AMERICAN RADIO RELAY LEAGUE., Bob Schetgen, Rich. Roznoy, James W. Healy, Bob Schetgen, KU7G, Contributing Editor James W. Healy, NJ2L

Average: 0.00, 0 Ratings

[1] Product reviews collected from QST v. 2. Every QST product review from '91-'92 [3] VHF and UHF product reviews from QST.

The Arrl Radio Buyer'S Sourcebook

By AMERICAN RADIO RELAY LEAGUE., Bob Schetgen, Bob Schetgen, KU7G, Contributing Editor James W. Healy, NJ2L

Average: 0.00, 0 Ratings

[1] Product reviews collected from QST v. 2. Every QST product review from '91-'92 [3] VHF and UHF product reviews from QST.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.