Development Tactics and Techniques for Small Form Factor RF Signal Recorders

Whitepaper

March 18, 2021

This paper describes the engineering considerations and design techniques used to develop a small form factor rugged recorder that can handle the extremely high data rates associated with very wide bandwidth RF signal recording. It is intended to provide engineers with ideas on how to bring this capability into confined and often extreme environments while focusing on military specification compliance, SWaP and ease of use with confidence.

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Messages1 Timeline Exceptions Views38 Route Queries53 Models231 Gate Session Request

8.2.225.42s5MBGET radar-ew/{uri_path?}

warninglog[23:38:23] LOG.warning: strip_tags(): Passing null to parameter #1 ($string) of type string is depre...

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11	`categories`
12	`__currentLoopData`
13	`category`
14	`loop`
15	`category_subfooter_articles`
16	`top_footer_article`
17	`category_footer_article`

theme::article.card (resources/views/themes/_base/article/card.blade.php)18bladefile


__env
app
errors
displayed_articles
page_title
article
lead
aliId
temp_publish_date
subfooterCategories
categoryBuilder
categories
__currentLoopData
category
loop
category_subfooter_articles
top_footer_article
category_footer_article

Params
0	`__env`
1	`app`
2	`errors`
3	`displayed_articles`
4	`page_title`
5	`article`
6	`lead`
7	`aliId`
8	`temp_publish_date`
9	`subfooterCategories`
10	`categoryBuilder`
11	`categories`
12	`__currentLoopData`
13	`category`
14	`loop`
15	`category_subfooter_articles`
16	`top_footer_article`
17	`category_footer_article`

theme::article.components.article-type-tag (resources/views/themes/_base/article/components/article-type-tag.blade.php)18bladefile


__env
app
errors
displayed_articles
page_title
article
lead
aliId
temp_publish_date
subfooterCategories
categoryBuilder
categories
__currentLoopData
category
loop
category_subfooter_articles
top_footer_article
category_footer_article

theme::layouts.components.footer (resources/views/themes/_base/layouts/components/footer.blade.php)10bladefile
Params
0
__env
1
app
2
errors
3
displayed_articles
4
page_title
5
article
6
lead
7
aliId
8
temp_publish_date
9
socialMedia

Params
0	`__env`
1	`app`
2	`errors`
3	`displayed_articles`
4	`page_title`
5	`article`
6	`lead`
7	`aliId`
8	`temp_publish_date`
9	`subfooterCategories`
10	`categoryBuilder`
11	`categories`
12	`__currentLoopData`
13	`category`
14	`loop`
15	`category_subfooter_articles`
16	`top_footer_article`
17	`category_footer_article`

Params
0	`__env`
1	`app`
2	`errors`
3	`displayed_articles`
4	`page_title`
5	`article`
6	`lead`
7	`aliId`
8	`temp_publish_date`
9	`socialMedia`

uri: GET radar-ew/{uri_path?}
middleware: web
controller: App\Http\Controllers\Frontend\ArticleController@viewArticleByShortname
namespace: App\Http\Controllers
prefix
where
file: app/Http/Controllers/Frontend/ArticleController.php:35-49

53 statements were executed, 14 of which were duplicated, 39 unique. Show only duplicated3.87s

select * from `articles` where `shortname` = 'development-tactics-and-techniques-for-small-form-factor-rf-signal-recorders' and `publish_at` < '2025-04-01 23:38:23' limit 1

109ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Bindings	0. development-tactics-and-techniques-for-small-form-factor-rf-signal-recorders 1. 2025-04-01 23:38:23
Backtrace	16. /app/Http/Controllers/Frontend/ArticleController.php:42 17. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `categories` where `categories`.`id` in (21)

5.2ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	21. /app/Http/Controllers/Frontend/ArticleController.php:42 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `categories` where `categories`.`id` in (3)

1.1ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	26. /app/Http/Controllers/Frontend/ArticleController.php:42 27. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 28. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 30. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `article_types` where `article_types`.`id` in (7)

5.1ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	21. /app/Http/Controllers/Frontend/ArticleController.php:42 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `article_attachments` where `article_attachments`.`article_id` = 9039 and `article_attachments`.`article_id` is not null

9.3ms/app/Models/Article.php:262mes

Metadata
Bindings	0. 9039
Backtrace	19. /app/Models/Article.php:262 25. view::theme::article.components.primary-image:2 27. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 28. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 29. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select `companies`.*, `articles_companies`.`article_id` as `pivot_article_id`, `articles_companies`.`company_id` as `pivot_company_id` from `companies` inner join `articles_companies` on `companies`.`id` = `articles_companies`.`company_id` where `articles_companies`.`article_id` = 9039

39.5msview::theme::article.components.companies:1mes

Metadata
Bindings	0. 9039
Backtrace	19. view::theme::article.components.companies:1 21. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 22. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 24. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `articles` where `status` = 'publish' and `visibility` <> 'hidden' and `article_type_id` <> '8' and `publish_at` <= '2025-04-01 23:38:23' and `primary_image` is not null and `primary_image` <> '' and `primary_image` <> '0' order by `publish_at` desc limit 30

521ms/app/Models/Article.php:375mes

Metadata
Bindings	0. publish 1. hidden 2. 8 3. 2025-04-01 23:38:23 4. 5. 0
Backtrace	14. /app/Models/Article.php:375 15. view::theme::layouts.components.sidebar:8 17. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 18. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 19. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `categories` where `categories`.`id` in (7, 13, 15, 19, 21, 23, 24, 25, 26, 27, 31, 32, 44, 47, 1000, 1001)

5.65ms/app/Models/Article.php:375mes

Metadata
Backtrace	19. /app/Models/Article.php:375 20. view::theme::layouts.components.sidebar:8 22. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 23. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 24. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `categories` where `categories`.`id` in (1, 2, 3, 4, 6)

9.77ms/app/Models/Article.php:375mes

Metadata
Backtrace	24. /app/Models/Article.php:375 25. view::theme::layouts.components.sidebar:8 27. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 28. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 29. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `article_types` where `article_types`.`id` in (2, 3, 4, 5)

7.16ms/app/Models/Article.php:375mes

Metadata
Backtrace	19. /app/Models/Article.php:375 20. view::theme::layouts.components.sidebar:8 22. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 23. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 24. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select `id`, `name`, `shortname` from `categories` where `parent_id` is null and `id` not in (999, 100) and exists (select * from `articles` where `categories`.`id` = `articles`.`primary_category` and `publish_at` < '2025-04-01 23:38:24' and `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')))

607ms/app/View/Composers/SubfooterComposer.php:38mes

Metadata
Bindings	0. 999 1. 100 2. 2025-04-01 23:38:24 3. 4. 0
Backtrace	14. /app/View/Composers/SubfooterComposer.php:38 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`parent_id` in (1, 2, 3, 4, 5, 6) order by `shortname` asc

7.58ms/app/View/Composers/SubfooterComposer.php:38mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:38 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (1, 1000, 1003, 7, 1001, 9, 1002, 8) limit 5

16.02ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 1 3. 1000 4. 1003 5. 7 6. 1001 7. 9 8. 1002 9. 8
Backtrace	14. /app/View/Composers/SubfooterComposer.php:63 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (7, 8, 9, 1000)

8.22ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (1)

3.22ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2)

5.8ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (3, 1005, 23, 26, 25, 21, 20, 24, 22) limit 5

16.3ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 3 3. 1005 4. 23 5. 26 6. 25 7. 21 8. 20 9. 24 10. 22
Backtrace	14. /app/View/Composers/SubfooterComposer.php:63 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (20, 23)

14.51ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (3)

1.54ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2)

4.54ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (4, 32, 31, 30, 29, 27) limit 5

202ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 4 3. 32 4. 31 5. 30 6. 29 7. 27
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select * from `categories` where `categories`.`id` in (30, 32)

16.31ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
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select * from `categories` where `categories`.`id` in (4)

18.17ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
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select * from `article_types` where `article_types`.`id` in (2, 3)

53.29ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (5, 37, 36, 35) limit 5

34.99ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 5 3. 37 4. 36 5. 35
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select * from `categories` where `categories`.`id` in (36, 37)

12.65ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
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select * from `categories` where `categories`.`id` in (5)

6.65ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
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select * from `article_types` where `article_types`.`id` in (2)

11.23ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `parent_id` is null and `id` not in (999, 100, 1061)

51.92msview::theme::layouts.components.category_subfooter:6mes

Metadata
Bindings	0. 999 1. 100 2. 1061
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select * from `categories` where `categories`.`id` = 1 limit 1

15.7ms/app/Models/Category.php:142mes

Metadata
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select * from `categories` where `categories`.`parent_id` = 1 and `categories`.`parent_id` is not null order by `shortname` asc

25.84ms/app/Models/Category.php:148mes

Metadata
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select `articles`.* from `articles` where `publish_at` < '2025-04-01 23:38:25' and `primary_image` is not null and `primary_image` != '0' and `primary_image` != '' and `article_type_id` <> '8' and (`primary_category` = 1 or `primary_category` = 1000 or `primary_category` = 1003 or `primary_category` = 7 or `primary_category` = 1001 or `primary_category` = 9 or `primary_category` = 1002 or `primary_category` = 8) and `article_type_id` <> '8' order by `publish_at` desc limit 5

1.13sview::theme::layouts.components.category_subfooter:19mes

Metadata
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6.88msview::theme::layouts.components.category_subfooter:19mes

Metadata
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select * from `categories` where `categories`.`id` in (1)

6.53msview::theme::layouts.components.category_subfooter:19mes

Metadata
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select * from `article_types` where `article_types`.`id` in (3)

3.23msview::theme::layouts.components.category_subfooter:19mes

Metadata
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4.71ms/app/Models/Category.php:142mes

Metadata
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select * from `categories` where `categories`.`parent_id` = 2 and `categories`.`parent_id` is not null order by `shortname` asc

1.75ms/app/Models/Category.php:148mes

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