does the top loading coil have the std 3/8x24 threads for mounting?

I measure the top loading coil thread mount to be an 8mm x 1.0mm metric thread (standard fine metric thread). The RF connector is an SO-239. Mounting pole is 29mm ID, 32mm OD. It appears to be completely metric dimensions.

I want to run a splitter off this connected via 30’ lmr-400 to run ota dtv & sds-100. is this possible? what splitter?

Hi Aaron, It would be better to use a low-loss antenna switch such as the Daiwa CS-201. Switch the antenna to the scanner, or to the TV. If you want to use both at once, a splitter or multicoupler is needed. I suggest contacting the people at Scanner Master for their suggestions.

What is the best cable to use for uniden scanners? (sds100) will it overload the scanner?

LMR 400 cable. No it won’t overload the scanner .

How tall of a mast is recommended?

I used a Gable Antenna Mount and used two 5 ft sections for a total of 10 ft. 5 ft would have worked but 10ft worked better for my application. 5ft would be a good choice if using a Tri-pod Roof Mount. Just my opinion. Hope this helps.

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D-130J D130J Original Diamond Vertical Discone Antenna - 10m-23cm

D-130J D130J Original Diamond Vertical Discone Antenna - 10m-23cm

Product ID: 18129349

Details

Antenna
Discone
Brand
Diamond
Color
Silver
Impedance
50 Ohms
Manufacturer
Diamond
Maximum Range
264 Feet

🏢Compact balcony-mountable

📡Ultra-wideband 25-1300 MHz

⚖️Lightweight 2.5 lbs

¥56753

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Description

📶 Elevate your signal game with the D130J — where power meets portability!

CUSTOMIZABLE COMPACTNESS - Remove the top loading coil to slim down the antenna when 25-50 MHz reception isn’t needed.
RUST RESISTANT DURABILITY - Premium stainless steel construction ensures long-lasting performance in any weather.
VERSATILE MULTI BAND MASTERY - Perfect for 2m, 1-1/4m, 70cm, 33cm, and 23cm amateur bands—one antenna to rule them all.
SEAMLESS ULTRA WIDEBAND COVERAGE - From 25 to 1300 MHz, receive and transmit across multiple amateur and commercial bands effortlessly.
APARTMENT FRIENDLY COMPACT DESIGN - Lightweight and sleek enough to mount on balcony railings without hassle or eyesores.

The Diamond D130J Original Diamond Vertical Discone Antenna delivers ultra-wideband coverage from 25 to 1300 MHz for both receive and transmit, supporting multiple amateur and commercial frequency bands. Its compact, lightweight design (2.5 lbs) allows easy installation on balcony railings, making it ideal for urban operators. Constructed with rust-resistant stainless steel, it offers durable, weatherproof performance. With a nominal gain of 2dBi and max power handling up to 200 watts, it’s a versatile, reliable choice for serious radio enthusiasts and professionals alike.

Specifications

ASIN	B00AR09A6I
Antenna	Discone Antenna
AntennaDescription	Discone Antenna
Best Sellers Rank	#1,479 in Radio Antennas
Brand	DIAMOND
Color	Silver
Customer Reviews	4.4 out of 5 stars 60 Reviews
Impedance	50 Ohms
Item Weight	2.5 Pounds
Manufacturer	Diamond Antenna
Maximum Range	264 Feet
Mfr Part Number	D130J
Model Number	D130J
Number of Channels	1
Number of Items	1
UPC	701630966529 701630966536
Unit Count	1.0 Count
Warranty Description	1 Year Manufacturer Warranty

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¥56753

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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