[TangerineSDR] IGRF Python Package

Tom McDermott tom.n5eg at gmail.com
Wed Apr 1 13:05:46 EDT 2020


I have hosted the open-source gitlab software on a VM on my home server.
It seems to work-alike to
github, but it avoids reliance on 'someone else' since it is open source.
It installed and
came up with minimal effort.  I cannot test the email capabilities as my
ISP doesn't let their customers
export MX records to DNS.  This is a common problem with dynamic DNS, as
ISP's are weary to host
user mail exchanges because fly-by-night email spammers would be a
continual problem.

Should we identify a server under project control and test out  something
like this?





On Wed, Apr 1, 2020 at 8:50 AM Phil Erickson <phil.erickson at gmail.com>
wrote:

> Hi all,
>
>   I strongly recommend that this project
>
> a) use revision control
> b) host its own SVN / git / etc. server
>
>   Relying on things like GitHub is not safe in the long term, because
> corporate decisions can change abruptly on what is offered free to the
> community and what is not.  Also, many of the "free" services make
> absolutely no guarantees about where any of the data is backed up, what the
> backup schedule is, etc.
>
>   I relate these pieces of advice from painful experience at MIT
> Haystack.  Our group believed Dropbox when they rolled out a storage plan
> with very large upper bound limits for MIT.  A couple years ago, they
> abruptly cancelled that policy and assigned a very large per year fee for
> the storage we had been using.  I'm still trying to figure out how to
> extract 100s of TB of data from them, and some of it may be lost for good.
>
> 73
> Phil W1PJE
>
> On Wed, Apr 1, 2020 at 11:45 AM Tom McDermott via TangerineSDR <
> tangerinesdr at lists.tapr.org> wrote:
>
>> Hi Steve - thanks for the offer !
>>
>> This brings up a general question:  should TangerineSDR / PSWS host this
>> kind of software someplace?
>> One could imagine that over time there may be an increasing number of
>> software utilities and packages of
>> interest to the group, it would be nice to have them accessible through
>> one link or portal (ideally with revision control ! ).
>>
>> Is this something the group should consider?  If so, is github the right
>> solution?, a page of links?, something else?
>>
>> -- Tom, N5EG
>>
>>
>>
>>
>> On Wed, Apr 1, 2020 at 5:57 AM Stephen Roland Kaeppler via TangerineSDR <
>> tangerinesdr at lists.tapr.org> wrote:
>>
>>> Hi All-
>>>
>>> I will add a comment if it is of interest, that I wrote some code a
>>> while back in python that directly calculates the magnetic field using the
>>> IGRF coefficients and derivatives (useful in a ray tracer).  If you guys
>>> want that, I could package it up and send it over to anyone interested.
>>>
>>> Thanks,
>>> Steve
>>>
>>> ------------------------------------------------------------
>>> Stephen R. Kaeppler, Ph.D.
>>> Assistant Professor
>>> Department of Physics and Astronomy
>>> Clemson University
>>> Clemson, SC 29634
>>> Email: skaeppl at clemson.edu
>>> Phone: 864-656-4275
>>> Web: http://science.clemson.edu/kaeppler/
>>> Amateur Radio Callsign: AD0AE
>>> ------------------------------------------------------------
>>>
>>>
>>> --
>>> TangerineSDR mailing list
>>> TangerineSDR at lists.tapr.org
>>> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org
>>>
>> --
>> TangerineSDR mailing list
>> TangerineSDR at lists.tapr.org
>> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org
>>
>
>
> --
> ----
> Phil Erickson
> phil.erickson at gmail.com
>
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