The Greensboro Amateur Radio Association, Greensboro, NC | John Ferrell | Activity https://www.w4gso.org/members/w8ccw/activity/ Activity feed for John Ferrell. Sat, 07 Mar 2026 22:14:00 -0500 https://buddypress.org/?v=10.6.0 en-US 30 hourly 2 5f0978e161a89c922b484bd87de128c9 John Ferrell replied to the topic Sunday Night Tech Forum - To use radios with unknown spurious emissions, or not? in the forum Technical Discussions http://www.w4gso.org/forums/t/sunday-night-tech-forum-use-radios-unknown-spurious-emissions-not/#post-1026 Mon, 19 Oct 2015 21:41:39 -0400 From a post that Harold made elsewhere:
Her’s the FCC equipment authorization requirement for unintentional
radiators:

http://www.hallikainen.com/FccRules/2015/15/101/

Here’s a list of exempt equipment:

http://www.hallikainen.com/FccRules/2015/15/103/

There’s also an exemption for devices built by a user for personal…[Read more]

]]> 0 c589984720dd6fd52ec7d74d435111b1 John Ferrell replied to the topic Sunday Night Tech Forum - To use radios with unknown spurious emissions, or not? in the forum Technical Discussions http://www.w4gso.org/forums/t/sunday-night-tech-forum-use-radios-unknown-spurious-emissions-not/#post-1025 Mon, 19 Oct 2015 21:32:26 -0400 http://www.hallikainen.com/FccRules/2015/97/307/

Amateur Service Emission requirements.
de W8CCW

]]> 0 e3986900aad7bfe14861832a019ff343 John Ferrell replied to the topic Sunday Night Tech Forum - To use radios with unknown spurious emissions, or not? in the forum Technical Discussions http://www.w4gso.org/forums/t/sunday-night-tech-forum-use-radios-unknown-spurious-emissions-not/#post-1024 Mon, 19 Oct 2015 21:27:40 -0400 http://www.hallikainen.com/FccRules/2015/
Amateur Radio Service, Part 97:
http://www.hallikainen.com/FccRules/2015/97/index.php

]]> 0 7740d20b5bd161dc8d7feebc607bfe9f John Ferrell replied to the topic Suggested Watt/SWR Meters in the forum Technical Discussions http://www.w4gso.org/forums/t/suggested-wattswr-meters/#post-899 Tue, 28 Jul 2015 15:33:22 -0400 You pay dearly for professional grade tools. If you really need it there is no getting around it. As an old timer, Byrd Watt meters have always been the best.

OTH, I have an old Palstar meter that was once popular among the CB crowd. It serves my needs up to about 50mhz.
Heathkit once built a vhf/uhf unit that worked very well at a reasonable…[Read more]

]]> 0 7740d20b5bd161dc8d7feebc607bfe9f John Ferrell replied to the topic Suggested Watt/SWR Meters in the forum Technical Discussions http://w4gso.org/forums/t/suggested-wattswr-meters/#post-899 Tue, 28 Jul 2015 15:33:22 -0400 You pay dearly for professional grade tools. If you really need it there is no getting around it. As an old timer, Byrd Watt meters have always been the best.

OTH, I have an old Palstar meter that was once popular among the CB crowd. It serves my needs up to about 50mhz.
Heathkit once built a vhf/uhf unit that worked very well at a reasonable…[Read more]

]]> 0 c013d7ff364ce9eb1fa78ee84bf0f5a3 John Ferrell started the topic Industry News in the forum Rag Chew http://w4gso.org/forums/t/industry-news/ Sat, 04 Apr 2015 17:53:04 -0400 http://forums.qrz.com/showthread.php?474716-Ten-Tec-and-Alpha-sold-to-RKR
TenTec & Alpha New Owners

]]> 0 aa6ae0def0adbd969ab6243bbebdf7b8 John Ferrell started the topic Feedlines in the forum Technical Discussions http://w4gso.org/forums/t/feedlines/ Fri, 03 Apr 2015 19:15:26 -0400 I have several coax jumper cables that are of unknown quality. Other than trying to use them are there any common procedures to check them out? Ohmeter checks for opens & shorts are a given. de W8CCW

]]> 0 0b45a5ff26ccfd7d2d2bd8f70dfeb9de John Ferrell became a registered member https://www.w4gso.org/activity/p/57/ Sat, 21 Mar 2015 23:43:48 -0400 0