HackRf for Amateur Radio - Versionsgeschichte

Tim: jetzt richtiger text zu V.2

2015-06-18T19:51:49Z

jetzt richtiger text zu V.2

← Nächstältere Version		Version vom 18. Juni 2015, 19:51 Uhr
Zeile 122:		Zeile 122:
	The driver for the HackRf is a first working version		The driver for the HackRf is a first working version
	* RX only		* RX only
	* tested on linux 32 bit ~~only~~		* tested on linux 32 bit & 64bit
	* gain settings simplified - not yet scaled linearly		* gain settings simplified - not yet scaled linearly
	* ~~will be developed on a long term basis~~		* V2: added sample rates 5, 3.5 and 2MS/s
	: ~~the more i feel safe with linrad source~~ and ~~usage~~		* V2: reenable crystal offset calibration

	----		----

Tim: Link to V.2 of the patch

2015-06-18T19:45:18Z

Link to V.2 of the patch

← Nächstältere Version		Version vom 18. Juni 2015, 19:45 Uhr
Zeile 129:		Zeile 129:
	----		----

	: [[Medium:lirpatch-468.zip]]		: [[Medium:lirpatch-468-2.zip]]

	----		----

	[[Kategorie:HackRF]][[Kategorie:Funk]][[Kategorie:SDR]]		[[Kategorie:HackRF]][[Kategorie:Funk]][[Kategorie:SDR]]

Tim: add:Kategorien:Funk,SDR

2015-06-03T01:35:54Z

add:Kategorien:Funk,SDR

← Nächstältere Version		Version vom 3. Juni 2015, 01:35 Uhr
Zeile 133:		Zeile 133:
	----		----

	[[Kategorie:HackRF]]		[[Kategorie:HackRF]][[Kategorie:Funk]][[Kategorie:SDR]]
	[[Kategorie:~~öffentlich~~]]

Tim am 2. Juni 2015 um 20:50 Uhr

2015-06-02T20:50:54Z

← Nächstältere Version		Version vom 2. Juni 2015, 20:50 Uhr
Zeile 1:		Zeile 1:
	{{aktives Projekt\|Kontakt=Tim\|öffentlich=ja}}		{{aktives Projekt\|Kontakt=Tim\|öffentlich=ja}}

			{\| class="wikitable"
			\| style="background-color:khaki;" \|
	'''<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap;		'''<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap;
	white-space: -o-pre-wrap; word-wrap: break-word; ~~bgcolor~~="~~light-yellow~~">		white-space: -o-pre-wrap; word-wrap: break-word; background-color="khaki">
	Fundamentally there is no difference between analog and digital receivers.		Fundamentally there is no difference between analog and digital receivers.
	Both kinds have the same fundamental problems with dynamic range and spur suppression.		Both kinds have the same fundamental problems with dynamic range and spur suppression.
	All the new methods for combatting interference have their equivalent analog counterparts.		All the new methods for combatting interference have their equivalent analog counterparts.
	</pre>		</pre>
	: Leif Asbrink, sm5bsz - The author of Linrad on [http://sm5bsz.com sm5bsz.com]'''		\|-
			\| style="text-align:right;" \| Leif Asbrink, sm5bsz - The author of Linrad on [http://sm5bsz.com sm5bsz.com]'''
			\|}

	<br /><br />		<br />[[File:QRPQSL.jpg\|top\|right\|alt=Notfunk QSl]]<br />
	== SDR in Amateur Radio ==		== SDR in Amateur Radio ==
	Amateur radio signals typically come in weak power and small bandwidths.		Amateur radio signals typically come in weak power and small bandwidths.
Zeile 37:		Zeile 41:
	experimented with - attractive and somehow close to the ham spirit.		experimented with - attractive and somehow close to the ham spirit.

	It was clearly designed for other applications~~, though~~: short range devices~~, like ISM~~, Wifi,		It was clearly designed for other applications: A portable short range measuring and experimentation tool
	GSM and LTE ~~and as a tool for measuring and experimenting in that area~~.		for ISM devices, Wifi, GSM and LTE.

	The receiver is not		The receiver is not
Zeile 61:		Zeile 65:
	To make the best of it, i redefined KISS to "Keep it small & software based".		To make the best of it, i redefined KISS to "Keep it small & software based".

	A cheap DVB-T dongle and gqrx made ~~me a~~ first SDR receiver and a collection of BiQuads from		A cheap DVB-T dongle and [http://gqrx.dk gqrx] made my first SDR receiver and a collection of BiQuads from
	installation wire, were easily fixed on the walls of the balcony, thanks to the foam insulation		installation wire, were easily fixed on the walls of the balcony, thanks to the foam insulation
	that also provides distance and shortening factor to the reflecting steel in the walls.		that also provides distance and shortening factor to the reflecting steel in the walls.
Zeile 68:		Zeile 72:
	it through all the walls of the house in my back. Then i bought the HackRf and a small Diamond		it through all the walls of the house in my back. Then i bought the HackRf and a small Diamond
	telescopic antenna, but first glances and experimentation made me regret that a bit. A week of		telescopic antenna, but first glances and experimentation made me regret that a bit. A week of
	hacking on a driver for Linrad gave me the same feelings. The hardware needs some fixing and		hacking on a driver for [http://sm5bsz.com/linuxdsp/linrad.htm Linrad] gave me the same feelings.
	shielding first and the firmware a complete redesign and rewrite from scratch, as i had instant		The hardware needs some fixing and shielding first and the firmware a complete redesign and rewrite from scratch,
	problems integrating the driver into Linrads design properly.		as i had instant problems integrating the driver into Linrads design properly.

	After that i spent the holidays		After that i spent the holidays
	building a 10W MOSFeT PA to find, that the HackRfs gain is not sufficient to drive it. Still,		building a 10W MOSFeT PA to find, that the HackRfs gain is not sufficient to drive it. Still,
	the spectrum produced at the dummy load was enough to not just drive me crazy - but then again,		the spectrum produced at the dummy load was enough to not just drive me crazy - but then again,
	the top ranking Storno CQP863 i found in the garbage was also hard to define, even on which band		the top ranking Storno [http://www.storno.co.uk/stornophone_800.htm CQP863] i found in the garbage
	it was actually transmitting and the ladder it puts on 160MHz is quite impressive too ..		was also hard to define, even on which band it was actually transmitting and the ladder it puts on
			160MHz is quite impressive too ..

	So, i'm not just stuck with the HackRf, now i am challenged!		So, i'm not just stuck with the HackRf, now i am challenged!
Zeile 85:		Zeile 90:
	the characters on my screen enough, to be able to work with it.		the characters on my screen enough, to be able to work with it.

	Linrad is a great piece of software from Leif, sm5bsz, that started on MS-DOS and is actively		[http://sm5bsz.com/linuxdsp/linrad.htm Linrad] is a great piece of software from Leif, sm5bsz,
	developped enthusiastically until today. It sampled ~~his transceivers with the~~ soundcard and put		that started its life on MS-DOS and is actively developped enthusiastically until today.
			It sampled receivers using a soundcard and put
	the data mainly on a nifty 3 stage pipeline of FFTs plus a bunch of sophisticated baseband		the data mainly on a nifty 3 stage pipeline of FFTs plus a bunch of sophisticated baseband
	routines to filter, decode, noise blank and display all sorts of spectra, waterfalls, signal		routines to filter, decode, noise blank and display all sorts of spectra, waterfalls, signal
	strength and polarization of the received signals, when used with two antennas.		strength and polarization of the received signals, when used with two antennas.

	The program ~~was~~ constantly evolved using ~~the~~ available speed ups of processors, like eg. MMX		The program constantly evolved using available speed ups of processors, like eg. MMX
	and today even OpenCl is engaged, Windows and Linux Versions all for ~~his~~ own EME and Scatter		and today even OpenCl is engaged, Windows and Linux Versions all for Leifs own DX work on EME and Scatter
	~~work~~ on 144MHz made him a quite known OM and Linrad a sophisticated measurement tool.		on 144MHz made him a quite known OM and Linrad a sophisticated measurement tool.

	I enjoy (and recommend) listening to the educated writings on [http://sm5bsz.com sm5bsz.com] that opened quite some		I enjoy (and recommend) listening to the educated writings on [http://sm5bsz.com sm5bsz.com] that opened quite some
Zeile 114:		Zeile 120:
	----		----

	The driver for the HackRf is ~~currently~~ a first working version ~~(had another embedded project)~~		The driver for the HackRf is a first working version
	* RX only		* RX only
	* tested on linux 32 bit		* tested on linux 32 bit only
	* 64bit libusb does not open the device here
	~~: (to be investigated)~~
	* i neither have nor want windows anymore ;)
	* gain settings simplified - not yet scaled linearly		* gain settings simplified - not yet scaled linearly
	* will be developed on a long term basis		* will be developed on a long term basis
	: the more i feel safe with linrad source and usage		: the more i feel safe with linrad source and usage

	* against r461, updated to r468 in the course of the day

	----		----

	: [[Medium:lirpatch-~~461~~.zip]]		: [[Medium:lirpatch-468.zip]]

	----		----

Tim am 2. Juni 2015 um 08:49 Uhr

2015-06-02T08:49:07Z

Tim am 2. Juni 2015 um 08:02 Uhr

2015-06-02T08:02:50Z

← Nächstältere Version		Version vom 2. Juni 2015, 08:02 Uhr
Zeile 1:		Zeile 1:
	{{aktives Projekt\|Kontakt=Tim\|öffentlich=ja}}		{{aktives Projekt\|Kontakt=Tim\|öffentlich=ja}}
	~~<!-- [[Datei:oldgadgetshack.jpg\|385px\|right\|HackRF One plus some old gadgets]] -->~~

	'''<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap;		'''<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap;
Zeile 7:		Zeile 6:
	Both kinds have the same fundamental problems with dynamic range and spur suppression.		Both kinds have the same fundamental problems with dynamic range and spur suppression.
	All the new methods for combatting interference have their equivalent analog counterparts.		All the new methods for combatting interference have their equivalent analog counterparts.
	<br />Leif Asbrink, sm5bsz - The author of Linrad on [[http://sm5bsz.com sm5bsz.com]~~]</pre>~~'''		</pre>
			: Leif Asbrink, sm5bsz - The author of Linrad on [http://sm5bsz.com sm5bsz.com]'''

			<br /><br />
	== SDR in Amateur Radio ==		== SDR in Amateur Radio ==
	Amateur radio signals typically come in weak power and small bandwidths.		Amateur radio signals typically come in weak power and small bandwidths.
Zeile 31:		Zeile 32:

	== Is the HackRf an amateur radio transceiver ? ==		== Is the HackRf an amateur radio transceiver ? ==
	On first glance the [[HackRF HackRf]] seems to offer a flexible, fully digital wide band transceiver		On first glance the [[HackRF\|HackRf]] seems to offer a flexible, fully digital wide band transceiver
	with a frequency range from the 80m band up to 6cm. It is open source hardware that can be		with a frequency range from the 80m band up to 6cm. It is open source hardware that can be
	used with a wide range of open source software, every part of the system can be modified and		used with a wide range of open source software, every part of the system can be modified and
Zeile 119:		Zeile 120:
	* will be developed on a long term basis		* will be developed on a long term basis
	: the more i feel safe with linrad source and usage		: the more i feel safe with linrad source and usage
	~~<br/>~~
	* against r461, updated to r468 in the course of the day		* against r461, updated to r468 in the course of the day

Tim: Die Seite wurde neu angelegt: „{{aktives Projekt|Kontakt=Tim|öffentlich=ja}} '''

385px|right|HackRF One plus some old gadgets --> '''<pre style="white-space:…“

Neue Seite

{{aktives Projekt|Kontakt=Tim|öffentlich=ja}}


'''<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap;
white-space: -o-pre-wrap; word-wrap: break-word; bgcolor="light-yellow">
Fundamentally there is no difference between analog and digital receivers.
Both kinds have the same fundamental problems with dynamic range and spur suppression.
All the new methods for combatting interference have their equivalent analog counterparts.
<br />Leif Asbrink, sm5bsz - The author of Linrad on [[http://sm5bsz.com sm5bsz.com]]</pre>'''

== SDR in Amateur Radio ==
Amateur radio signals typically come in weak power and small bandwidths.
Once they are picked up from a good antenna and large out-of-band signals are effectively
filtered, it is quite possible to build great receivers, that sample either the HF directly
or at an intermediate frequency and perform subsequent steps of filtering, mixing, decoding
and amplfication in software on a single microprocessor or a combination of processors and
the various types of programmable logic arrays available today, that may even be geographically
more or less dispersed and interconnected by networks ranging from onboard interlinks, over LANs
up to the internet. Available commercial hardware as well as successful amateur projects
demonstrate that and offer ways to build systems, that were just not possible in terms of money,
even 10 years ago.

Falling prices for digital and even hybrid analog components made it possible
and everyone can effectively build a wideband receiver for 10€ by putting in a, close to
invisibla device in ones USB port and use one of the freely available programs with it.
While these types of devices also clearly show the limits, one must admit that they have their
use, eg. even in the field of radio astronomy and at the same time bring many new people to try
themselves in radio transmission. Impressive gear is designed and built by amateurs and the high
end devices shorten the path from development to production of scientific and commercial applications.
Finally, amateur radio enthusiasts like me, want to experiment with digital radios.

== Is the HackRf an amateur radio transceiver ? ==
On first glance the [[HackRF HackRf]] seems to offer a flexible, fully digital wide band transceiver
with a frequency range from the 80m band up to 6cm. It is open source hardware that can be
used with a wide range of open source software, every part of the system can be modified and
experimented with - attractive and somehow close to the ham spirit.

It was clearly designed for other applications, though: short range devices, like ISM, Wifi,
GSM and LTE and as a tool for measuring and experimenting in that area.

The receiver is not
overly sensitive by itself, no filters of any sort are provided to keep big signals out, the
whole circuit, without any shielding is exposed to any kind of stray energy and the transmit
power is not sufficient to drive any PA without amplification. The A/D and D/A converters offer
an impressive bandwidth, but the smallest filter still is 1,7MHz wide, the 8bit I/Q conversion
has a limited dynamic range and the HF signal path, while tuning quite fast, can not be set to
two independant frequencies for transmit and receive at the same time.

== Software ==
Most open source programs are able to receive data from the HackRf and many decoding routines
are available. Encoders begin to emerge, even a complete GSM solution.

Active filtering of the
many mixing products from large signals and the many oscillators is yet to come and on the TX
side any project must consider the massive broadband spectrum of digital signal generation.

== Now what ? ==
I lost a nice and rather complete shack to burglars, starting completely from scratch again.
I also moved from an open area in the country to a smallish flat with only a narrow balcony.
To make the best of it, i redefined KISS to "Keep it small& software based".

A cheap DVB-T dongle and gqrx made me a first SDR receiver and a collection of BiQuads from
installation wire were easily fixed on the walls of the balcony, thanks to the foam insulation
that also provides distance and shortening factor to the reflecting steel in the walls.

My AIS station receives 10nm of ship traffic on river rhine and i am qrv on 2m and 70cm, most of
it through all the walls of the house in my back. Then i bought the HackRf and a small Diamond
telescopic antennabut first glances and experimentation made me regret that a bit. A week of
hacking on a driver for Linrad gave me the sme feelings. The hardware needs some fixing and
shielding first and the firmware a complete redesign and rewrite from scratch, as i had instant
problems integrating the driver into Linrads design properly.

After that i spent the holidays
building a 10W MOSFeT PA to find, that the HackRfs gain is not sufficient to drive it. Still,
the spectrum produced at the dummy load was enough to not just drive me crazy - but then again,
the top ranking Storno CQP863 i found in the garbage was also hard to define, even on which band
it was actually transmitting and the ladder it puts on 160MHz is quite impressive too ..

So, i'm not just stuck with the HackRf, now i am challenged!

== Linrad ==
Since i am somewhat sight disabled since the time of the raid of my house, Linrad gave me a hard
time with its ancient 80column formatting of the C source and at the same time let me enlarge
the characters on my screen enough, to be able to work with it.

Linrad is a great piece of software from Leif, sm5bsz, that started on MS-DOS and is actively
developped enthusiastically until today. It sampled his transceivers with the soundcard and put
the data mainly on a nifty 3 stage pipeline of FFTs plus a bunch of sophisticated baseband
routines to filter, decode, noise blank and display all sorts of spectra, waterfalls, signal
strength and polarization of the received signals, when used with two antennas.

The program was constantly evolved using the available speed ups of processors, like eg. MMX
and today even OpenCl is engaged, Windows and Linux Versions all for his own EME and Scatter
work on 144MHz made him a quite known OM and Linrad a sophisticated measuremnt tool.

I enjoy (and recommend) listening to the educated wrintings on sm5bsz.com that opened quite some
new insight on radios, their limits and in solid experimentation with the electromagnetic field.

I presume that he is not a friend of the HackRf and parts of the SDR community in general,
i deduce that from postings and the fact, that my google group request was rejected without
any comment ;-)

Since he also dislikes milestones/tags in svn, he is giving everyone packing or hacking the
software regular surprises, in that the patches no longer work on the changed sources and one
will happily start over again quite some times - i wish the hard work i have put into that can
convince him of my true sincereness on a not too far day ;-) :-)

vy 73 Martin - DK4MA

----

The driver for the HackRf is currently a first working version (had another embedded project)
* RX only
* tested on linux 32 bit
* 64bit libusb does not open the device here
* i neither have nor want windows anymore ;)
* gain settings simplified
* will be developed on a long term basis
: the more i feel safe with linrad source and usage
<br/>
* against r461, updated to r468 in the course of the day

----

: [[lirpatch-461.zip]]

----

[[Kategorie:HackRF]]
[[Kategorie:öffentlich]]

← Nächstältere Version		Version vom 2. Juni 2015, 08:49 Uhr
Zeile 17:		Zeile 17:
	and amplfication in software on a single microprocessor or a combination of processors and		and amplfication in software on a single microprocessor or a combination of processors and
	the various types of programmable logic arrays available today, that may even be geographically		the various types of programmable logic arrays available today, that may even be geographically
	more or less dispersed and interconnected by networks ranging from onboard interlinks, over LANs		more or less dispersed and interconnected by networks, ranging from onboard interlinks, over LANs
	up to the internet. Available commercial hardware as well as successful amateur projects		up to the internet. Available commercial hardware as well as successful amateur projects
	demonstrate that and offer ways to build systems, that were just not possible in terms of money,		demonstrate that and offer ways to build systems, that were just not possible in terms of money,
	even 10 years ago.		even 10 years ago.

	Falling prices for digital and even hybrid analog components made it possible		Falling prices for digital and even hybrid analog components made this possible
	and everyone can effectively build a wideband receiver for 10€ by putting in a, close to		and everyone can effectively build a wideband receiver for 10€ by putting in a close to
	invisibla device in ones USB port and use one of the freely available programs with it.		invisibla device in ones USB port and use one of the freely available programs with it.
	While these types of devices also clearly show the limits, one must admit that they have their		While these types of devices also clearly show the limits, one must admit that they have their
Zeile 43:		Zeile 43:
	overly sensitive by itself, no filters of any sort are provided to keep big signals out, the		overly sensitive by itself, no filters of any sort are provided to keep big signals out, the
	whole circuit, without any shielding is exposed to any kind of stray energy and the transmit		whole circuit, without any shielding is exposed to any kind of stray energy and the transmit
	power is not sufficient to drive ~~any~~ PA without amplification. The A/D and D/A converters offer		power is not sufficient to drive a PA without amplification. The A/D and D/A converters offer
	an impressive bandwidth, but the smallest filter still is 1,7MHz wide, the 8bit I/Q conversion		an impressive bandwidth, but the smallest filter still is 1,7MHz wide, the 8bit I/Q conversion
	has a limited dynamic range and the HF signal path, while tuning quite fast, can not be set to		has a limited dynamic range and the HF signal path, while tuning quite fast, can not be set to
Zeile 59:		Zeile 59:
	I lost a nice and rather complete shack to burglars, starting completely from scratch again.		I lost a nice and rather complete shack to burglars, starting completely from scratch again.
	I also moved from an open area in the country to a smallish flat with only a narrow balcony.		I also moved from an open area in the country to a smallish flat with only a narrow balcony.
	To make the best of it, i redefined KISS to "Keep it small& software based".		To make the best of it, i redefined KISS to "Keep it small & software based".

	A cheap DVB-T dongle and gqrx made me a first SDR receiver and a collection of BiQuads from		A cheap DVB-T dongle and gqrx made me a first SDR receiver and a collection of BiQuads from
	installation wire were easily fixed on the walls of the balcony, thanks to the foam insulation		installation wire, were easily fixed on the walls of the balcony, thanks to the foam insulation
	that also provides distance and shortening factor to the reflecting steel in the walls.		that also provides distance and shortening factor to the reflecting steel in the walls.

	My AIS station receives 10nm of ship traffic on river rhine and i am qrv on 2m and 70cm, most of		My AIS station receives 10nm of ship traffic on river rhine and i am qrv on 2m and 70cm, most of
	it through all the walls of the house in my back. Then i bought the HackRf and a small Diamond		it through all the walls of the house in my back. Then i bought the HackRf and a small Diamond
	telescopic ~~antennabut~~ first glances and experimentation made me regret that a bit. A week of		telescopic antenna, but first glances and experimentation made me regret that a bit. A week of
	hacking on a driver for Linrad gave me the ~~sme~~ feelings. The hardware needs some fixing and		hacking on a driver for Linrad gave me the same feelings. The hardware needs some fixing and
	shielding first and the firmware a complete redesign and rewrite from scratch, as i had instant		shielding first and the firmware a complete redesign and rewrite from scratch, as i had instant
	problems integrating the driver into Linrads design properly.		problems integrating the driver into Linrads design properly.
Zeile 82:		Zeile 82:
	== Linrad ==		== Linrad ==
	Since i am somewhat sight disabled since the time of the raid of my house, Linrad gave me a hard		Since i am somewhat sight disabled since the time of the raid of my house, Linrad gave me a hard
	time with its ancient ~~80column~~ formatting of the C source and at the same time let me enlarge		time with its ancient 80 column formatting of the C source and at the same time let me enlarge
	the characters on my screen enough, to be able to work with it.		the characters on my screen enough, to be able to work with it.

Zeile 93:		Zeile 93:
	The program was constantly evolved using the available speed ups of processors, like eg. MMX		The program was constantly evolved using the available speed ups of processors, like eg. MMX
	and today even OpenCl is engaged, Windows and Linux Versions all for his own EME and Scatter		and today even OpenCl is engaged, Windows and Linux Versions all for his own EME and Scatter
	work on 144MHz made him a quite known OM and Linrad a sophisticated ~~measuremnt~~ tool.		work on 144MHz made him a quite known OM and Linrad a sophisticated measurement tool.

	I enjoy (and recommend) listening to the educated ~~wrintings~~ on sm5bsz.com that opened quite some		I enjoy (and recommend) listening to the educated writings on [http://sm5bsz.com sm5bsz.com] that opened quite some
	new insight on radios, their limits and in solid experimentation with the electromagnetic field.		new insight on radios, their limits and in solid experimentation with the electromagnetic field.

	I presume that he is not a friend of the HackRf and parts of the SDR community in general,		I presume that he is not a friend of the HackRf and parts of the SDR community in general.
	i deduce that from postings and the fact, that my google group request was rejected without		I deduce that from postings and the fact, that my google group request was rejected without
	any comment ;-)		any comment ;-)

Zeile 107:		Zeile 107:
	convince him of my true sincereness on a not too far day ;-) :-)		convince him of my true sincereness on a not too far day ;-) :-)

			''(Of course this text is only for you to see and edited before publication ;)''

	vy 73 Martin - DK4MA
			'''vy 73 Martin - DK4MA'''

	----		----
Zeile 116:		Zeile 118:
	* tested on linux 32 bit		* tested on linux 32 bit
	* 64bit libusb does not open the device here		* 64bit libusb does not open the device here
			: (to be investigated)
	* i neither have nor want windows anymore ;)		* i neither have nor want windows anymore ;)
	* gain settings simplified		* gain settings simplified - not yet scaled linearly
	* will be developed on a long term basis		* will be developed on a long term basis
	: the more i feel safe with linrad source and usage		: the more i feel safe with linrad source and usage
Zeile 125:		Zeile 128:
	----		----

	: [[lirpatch-461.zip]]		: [[Medium:lirpatch-461.zip]]

	----		----