[TangerineSDR] IGRF Python Package

Dave Larsen kv0s.dave at gmail.com
Wed Apr 1 14:17:12 EDT 2020


After working on SVN, then GitHub with openHPDDR.  I like and dislike
aspects of each.  I now think that developers should have control of their
code.  It may be we need to have some general best practices for
programmers be suggested.

Also for users that will use code but not develop code. We need to provide
a web site that has link to code useful throughtout the project.  I will be
adding links to the TangerineSDR.com web site to related software.  Please
share information on code sources as Bill did this week.

I plan to have something on this for the Monday teamspeak session.

Dave KV0S

On Wed, Apr 1, 2020, 12:29 PM John Ackermann via TangerineSDR <
tangerinesdr at lists.tapr.org> wrote:

> We have the web.tapr.org Linux VM at a hosting company.
> On Apr 1, 2020, at 1:07 PM, Tom McDermott via TangerineSDR <
> tangerinesdr at lists.tapr.org> wrote:
>>
>>
>> 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
>>>
>> --
>> 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
>
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