Some members of another group I am a member too felt harrassed and sent
a protest. Sometimes we got too many announcements and no real news, so
it became tiresome. Most mails were pdf's with large detailed images,
which was quite a burden for slow modems.
73,
Jose, CO2JA
---
Andrew O'Brien
Hello David,
I would like to ask what type of traffic is involved in the messages you
mentioned (10,000 messages in Oct 2008).
I was surprised because so many people use email and cell phones. Where does
this volume come from?
Howard K5HB
From: David
- Original Message -
From: Howard Brown
To: digitalradio@yahoogroups.com
Sent: Sunday, November 23, 2008 2:19 PM
Subject: Re: [digitalradio] Re: [illinoisdigitalham] Re: [psk31] Global
Emergency Network Marks Record
Hello David,
I would like to ask what type of traffic
31, 2007 14:25 UTC
Subject: Re: [digitalradio] Re: [illinoisdigitalham] Re: Power Mask for
Bandwidth Rules - USA
At one time the ARRL published plans for class B modulators with no
filters. What they publish will stay with the times. There is no reason
higher order analog filters can
Modern filters that have been used in real equipment since the 80s can
be -1 db at 3100 and down 25 db at 3.5 k with negligible overshoot and
ripple in the 10ths of a DB. Chebyshev filters are not really the filter
of choice for this, elliptic tilers with some custom tweaks are a better
To: digitalradio@yahoogroups.com
Sent: Sunday, December 30, 2007 23:16 UTC
Subject: Re: [digitalradio] Re: [illinoisdigitalham] Re: Power Mask for
Bandwidth Rules - USA
Modern filters that have been used in real equipment since the 80s can
be -1 db at 3100 and down 25 db at 3.5 k
