DIY easy to build high gain antennas with 4nec2 models.

Several very useful RF calculators :

Impedance matching using coax stub :

https://www.antenna-theory.com/tutorial/smith/chart.php

Beamwith to coverage at specific disance calculator :

https://www.ahsystems.com/EMC-formulas-equations/Antenna-beamwidth-coverage-calculation.php

Filters

RF probe

https://charleslabs.fr/en/project-RF+Passive+Differential+Probe

Name		Name	Last commit message	Last commit date
Latest commit History 75 Commits
Documents		Documents
Models		Models
RangeTester		RangeTester
COLLINEAR_2450_10 (2).JPG		COLLINEAR_2450_10 (2).JPG
COLLINEAR_2450_10 (3).JPG		COLLINEAR_2450_10 (3).JPG
COLLINEAR_2450_10 (4).JPG		COLLINEAR_2450_10 (4).JPG
COLLINEAR_2450_10 (5).JPG		COLLINEAR_2450_10 (5).JPG
COLLINEAR_2450_10 (6).JPG		COLLINEAR_2450_10 (6).JPG
COLLINEAR_2450_10 (7).JPG		COLLINEAR_2450_10 (7).JPG
COLLINEAR_2450_10 (8).JPG		COLLINEAR_2450_10 (8).JPG
COLLINEAR_2450_10 (9).JPG		COLLINEAR_2450_10 (9).JPG
COLLINEAR_2450_10.4DBI (2).jpg		COLLINEAR_2450_10.4DBI (2).jpg
COLLINEAR_2450_10.4DBI (3).jpg		COLLINEAR_2450_10.4DBI (3).jpg
COLLINEAR_2450_10.4DBI (4).JPG		COLLINEAR_2450_10.4DBI (4).JPG
COLLINEAR_2450_10.4DBI (5).JPG		COLLINEAR_2450_10.4DBI (5).JPG
COLLINEAR_2450_10.4DBI (6).JPG		COLLINEAR_2450_10.4DBI (6).JPG
COLLINEAR_2450_10.4DBI.NEC		COLLINEAR_2450_10.4DBI.NEC
COLLINEAR_2450_10.4DBI.jpg		COLLINEAR_2450_10.4DBI.jpg
COLLINEAR_2450_10.JPG		COLLINEAR_2450_10.JPG
COLLINEAR_2450_18.5DBI_DOUBLE.NEC		COLLINEAR_2450_18.5DBI_DOUBLE.NEC
COLLINEAR_2450_18.6DBI_4_REFLECTORS (2).JPG		COLLINEAR_2450_18.6DBI_4_REFLECTORS (2).JPG
COLLINEAR_2450_18.6DBI_4_REFLECTORS (3).JPG		COLLINEAR_2450_18.6DBI_4_REFLECTORS (3).JPG
COLLINEAR_2450_18.6DBI_4_REFLECTORS.JPG		COLLINEAR_2450_18.6DBI_4_REFLECTORS.JPG
COLLINEAR_2450_18.6DBI_4_REFLECTORS.NEC		COLLINEAR_2450_18.6DBI_4_REFLECTORS.NEC
COLLINEAR_2450_19.7DBI_1REFLECTOR (2).JPG		COLLINEAR_2450_19.7DBI_1REFLECTOR (2).JPG
COLLINEAR_2450_19.7DBI_1REFLECTOR (3).JPG		COLLINEAR_2450_19.7DBI_1REFLECTOR (3).JPG
COLLINEAR_2450_19.7DBI_1REFLECTOR.JPG		COLLINEAR_2450_19.7DBI_1REFLECTOR.JPG
COLLINEAR_2450_19.7DBI_1REFLECTOR.NEC		COLLINEAR_2450_19.7DBI_1REFLECTOR.NEC
COLLINEAR_2450_27DBI (2).jpg		COLLINEAR_2450_27DBI (2).jpg
COLLINEAR_2450_27DBI.NEC		COLLINEAR_2450_27DBI.NEC
COLLINEAR_2450_27DBI.jpg		COLLINEAR_2450_27DBI.jpg
COLLINEAR_2450_27DBI_test.NEC		COLLINEAR_2450_27DBI_test.NEC
COLLINEAR_2450_9.3DBI_50ohms.NEC		COLLINEAR_2450_9.3DBI_50ohms.NEC
COLLINEAR_2450_9.7DBI_50OHMS.NEC		COLLINEAR_2450_9.7DBI_50OHMS.NEC
COLLINEAR_2450_MINI (2).jpg		COLLINEAR_2450_MINI (2).jpg
COLLINEAR_2450_MINI (3).jpg		COLLINEAR_2450_MINI (3).jpg
COLLINEAR_2450_MINI (4).JPG		COLLINEAR_2450_MINI (4).JPG
COLLINEAR_2450_MINI (5).JPG		COLLINEAR_2450_MINI (5).JPG
COLLINEAR_2450_MINI (6).JPG		COLLINEAR_2450_MINI (6).JPG
COLLINEAR_2450_MINI.NEC		COLLINEAR_2450_MINI.NEC
COLLINEAR_2450_MINI.jpg		COLLINEAR_2450_MINI.jpg
COLLINEAR_4ARRAY_2450_28.5DBI.NEC		COLLINEAR_4ARRAY_2450_28.5DBI.NEC
COLLINEAR_4ARRAY_2450_32DBI (2).jpg		COLLINEAR_4ARRAY_2450_32DBI (2).jpg
COLLINEAR_4ARRAY_2450_32DBI (3).jpg		COLLINEAR_4ARRAY_2450_32DBI (3).jpg
COLLINEAR_4ARRAY_2450_32DBI.NEC		COLLINEAR_4ARRAY_2450_32DBI.NEC
COLLINEAR_4ARRAY_2450_32DBI.jpg		COLLINEAR_4ARRAY_2450_32DBI.jpg
COLLINEAR_4ARRAY_2450_32DBI01.bmp		COLLINEAR_4ARRAY_2450_32DBI01.bmp
COLLINEAR_4ARRAY_2450_32DBI02.bmp		COLLINEAR_4ARRAY_2450_32DBI02.bmp
COLLINEAR_4ARRAY_5785_28.5DBI.NEC		COLLINEAR_4ARRAY_5785_28.5DBI.NEC
COLLINEAR_4ARRAY_5785_32DBI.NEC		COLLINEAR_4ARRAY_5785_32DBI.NEC
COLLINEAR_4ARRAY_915_28.5DBI.NEC		COLLINEAR_4ARRAY_915_28.5DBI.NEC
COLLINEAR_4ARRAY_915_32DBI.NEC		COLLINEAR_4ARRAY_915_32DBI.NEC
COLLINEAR_5785_10.4DBI.NEC		COLLINEAR_5785_10.4DBI.NEC
COLLINEAR_5785_27DBI.NEC		COLLINEAR_5785_27DBI.NEC
COLLINEAR_5785_9.3DBI_50ohms.NEC		COLLINEAR_5785_9.3DBI_50ohms.NEC
COLLINEAR_5785_9.7DBI_50OHMS.NEC		COLLINEAR_5785_9.7DBI_50OHMS.NEC
COLLINEAR_5785_MINI.NEC		COLLINEAR_5785_MINI.NEC
COLLINEAR_868_MINI.NEC		COLLINEAR_868_MINI.NEC
COLLINEAR_915_10.4DBI.NEC		COLLINEAR_915_10.4DBI.NEC
COLLINEAR_915_1001.bmp		COLLINEAR_915_1001.bmp
COLLINEAR_915_1002.bmp		COLLINEAR_915_1002.bmp
COLLINEAR_915_27DBI.NEC		COLLINEAR_915_27DBI.NEC
COLLINEAR_915_9.3DBI_50ohms.NEC		COLLINEAR_915_9.3DBI_50ohms.NEC
COLLINEAR_915_9.7DBI_50OHMS.NEC		COLLINEAR_915_9.7DBI_50OHMS.NEC
COLLINEAR_915_MINI.NEC		COLLINEAR_915_MINI.NEC
COLLINEAR_950_MINI.NEC		COLLINEAR_950_MINI.NEC
CURTAIN_QAUD13_18DBI_2450.NEC		CURTAIN_QAUD13_18DBI_2450.NEC
CURTAIN_QAUD13_18DBI_5785.NEC		CURTAIN_QAUD13_18DBI_5785.NEC
CURTAIN_QAUD13_18DBI_915.NEC		CURTAIN_QAUD13_18DBI_915.NEC
CURTAIN_QAUD13_NARROW_15DBI_2450.NEC		CURTAIN_QAUD13_NARROW_15DBI_2450.NEC
CURTAIN_QAUD13_NARROW_15DBI_5785.NEC		CURTAIN_QAUD13_NARROW_15DBI_5785.NEC
CURTAIN_QAUD13_NARROW_15DBI_915.NEC		CURTAIN_QAUD13_NARROW_15DBI_915.NEC
CURTAIN_QAUD8_915.NEC		CURTAIN_QAUD8_915.NEC
CURTAIN_QAUD_2C_14.5dbi_2450.NEC		CURTAIN_QAUD_2C_14.5dbi_2450.NEC
CURTAIN_QAUD_2C_14.5dbi_5785.NEC		CURTAIN_QAUD_2C_14.5dbi_5785.NEC
CURTAIN_QAUD_2C_14.5dbi_915 (2).jpg		CURTAIN_QAUD_2C_14.5dbi_915 (2).jpg
CURTAIN_QAUD_2C_14.5dbi_915 (3).jpg		CURTAIN_QAUD_2C_14.5dbi_915 (3).jpg
CURTAIN_QAUD_2C_14.5dbi_915.NEC		CURTAIN_QAUD_2C_14.5dbi_915.NEC
CURTAIN_QAUD_2C_14.5dbi_915.jpg		CURTAIN_QAUD_2C_14.5dbi_915.jpg
CURTAIN_QAUD_2C_6.6dbi_Omni_2450.NEC		CURTAIN_QAUD_2C_6.6dbi_Omni_2450.NEC
CURTAIN_QAUD_2C_6.6dbi_Omni_5785.NEC		CURTAIN_QAUD_2C_6.6dbi_Omni_5785.NEC
CURTAIN_QAUD_2C_6.6dbi_Omni_915.NEC		CURTAIN_QAUD_2C_6.6dbi_Omni_915.NEC
CURTAIN_QAUD_2C_8.15dbi_2450.NEC		CURTAIN_QAUD_2C_8.15dbi_2450.NEC
CURTAIN_QAUD_2C_8.15dbi_5785.NEC		CURTAIN_QAUD_2C_8.15dbi_5785.NEC
CURTAIN_QAUD_2C_8.15dbi_915.NEC		CURTAIN_QAUD_2C_8.15dbi_915.NEC
CURTAIN_QAUD_2C_8DBI_OVAL_2450.NEC		CURTAIN_QAUD_2C_8DBI_OVAL_2450.NEC
CURTAIN_QAUD_2C_8dbi_OVAL_5785.NEC		CURTAIN_QAUD_2C_8dbi_OVAL_5785.NEC
CURTAIN_QAUD_2C_8dbi_OVAL_915 (2).jpg		CURTAIN_QAUD_2C_8dbi_OVAL_915 (2).jpg
CURTAIN_QAUD_2C_8dbi_OVAL_915.NEC		CURTAIN_QAUD_2C_8dbi_OVAL_915.NEC
CURTAIN_QAUD_2C_8dbi_OVAL_915.jpeg		CURTAIN_QAUD_2C_8dbi_OVAL_915.jpeg
CURTAIN_QAUD_2C_8dbi_OVAL_915.jpg		CURTAIN_QAUD_2C_8dbi_OVAL_915.jpg
CURTAIN_QAUD_2C_9.5DBI_OVAL_2450.NEC		CURTAIN_QAUD_2C_9.5DBI_OVAL_2450.NEC
CURTAIN_QAUD_2C_9.5DBI_OVAL_5785.NEC		CURTAIN_QAUD_2C_9.5DBI_OVAL_5785.NEC
CURTAIN_QAUD_2C_9.5DBI_OVAL_915.NEC		CURTAIN_QAUD_2C_9.5DBI_OVAL_915.NEC
CURTAIN_QAUD_2C_MINI_11dbi_OVAL_2450.NEC		CURTAIN_QAUD_2C_MINI_11dbi_OVAL_2450.NEC
CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915 (2).JPG		CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915 (2).JPG
CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915 (3).JPG		CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915 (3).JPG
CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915.JPG		CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915.JPG
CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915.NEC		CURTAIN_QAUD_2C_MINI_11dbi_OVAL_915.NEC
CURTAIN_QAUD_2C_MINI_2450.NEC		CURTAIN_QAUD_2C_MINI_2450.NEC

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DIY easy to build high gain antennas with 4nec2 models.

Several very useful RF calculators :

Impedance matching using coax stub :

Beamwith to coverage at specific disance calculator :

Filters

RF probe

About

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DIY easy to build high gain antennas with 4nec2 models.

Several very useful RF calculators :

Impedance matching using coax stub :

Beamwith to coverage at specific disance calculator :

Filters

RF probe

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