Search found 26 matches

by Airwind
Tue Oct 09, 2018 8:31 pm
Forum: Antennas
Topic: Ultra-WideBand Vivaldi Antenna 800MHz to 6GHz+
Replies: 14
Views: 33459

Re: Ultra-WideBand Vivaldi Antenna 800MHz to 6GHz+

Yo, are you maybe selling these on ebay too?
The paypal button is kind of broken for me on tindie, and I'm not brave enough to share the credit card data.
by Airwind
Tue Oct 09, 2018 9:48 am
Forum: RTL-SDR Discussion
Topic: Custom 400-406 MHZ bandpass filter?
Replies: 3
Views: 2643

Re: Custom 400-406 MHZ bandpass filter?

As an entry-level RF enthusiast I've tried to build my own filters, but I was told that it's much better to just buy already made filters instead because they are going to be of much better quality than anything I'm ever going to come up with. If you're into filters and want to learn stuff then sure...
by Airwind
Fri Sep 28, 2018 11:33 am
Forum: Off-Topic
Topic: Where do you buy these tiny aluminum enclosures?
Replies: 32
Views: 67197

Re: Where do you buy these tiny aluminum enclosures?

Hello! Thanks, I also received them recently, but I noticed a few differences. The current enclosures have a shiny surface; previous batch had a matte finish They're unbranded (no logo printed on the surface) There are only 2 screw holes available on the side panels compared to 4 in the previous bat...
by Airwind
Wed Sep 26, 2018 5:33 am
Forum: Signal Identification Help
Topic: Unknown high pitch continues beep with data bursts
Replies: 3
Views: 14922

Re: Unknown high pitch continues beep with data bursts

I've seen this type of signal too. It just beeps for most of the time and occasionally there are some data bursts on it. Mine was near 434 MHz though (south Europe). No idea what it is for.
by Airwind
Mon Sep 10, 2018 8:33 pm
Forum: Signal Identification Help
Topic: Splatter, noise or ? 450.675 MHz
Replies: 3
Views: 14740

Re: Splatter, noise or ? 450.675 MHz

Probably not. The restaurant pagers seem to ping randomly and are not associated with any periodic pattern. This makes sense because customers will have their food prepared at different time intervals (delays). Finally you can probably correlate the frequency of pings with the number of customers in...
by Airwind
Sun Sep 09, 2018 9:45 pm
Forum: Signal Identification Help
Topic: Splatter, noise or ? 450.675 MHz
Replies: 3
Views: 14740

Re: Splatter, noise or ? 450.675 MHz

That looks like some variant of 4FSK. Did you pick up this signal near a restaurant perhaps? I think some pagers use this exact frequency.
by Airwind
Sun Sep 09, 2018 9:38 pm
Forum: Signal Identification Help
Topic: 433mhz waveform. FSK? GFSK? GMSK?
Replies: 1
Views: 13584

Re: 433mhz waveform. FSK? GFSK? GMSK?

Looks like 2FSK to me. The two peaks are the two alternating frequencies.
by Airwind
Tue Sep 04, 2018 12:08 pm
Forum: Off-Topic
Topic: Where do you buy these tiny aluminum enclosures?
Replies: 32
Views: 67197

Re: Where do you buy these tiny aluminum enclosures?

That antenna connector might be a bit big IMHO for the v3 enclosure. Perhaps replacing it with a SMA connector will do the trick. You will need some soldering skills though and be sure to order an appropriate SMA connector that will fit in the void. As a bonus you won't have to modify the side panel...
by Airwind
Mon Sep 03, 2018 12:08 pm
Forum: Off-Topic
Topic: Where do you buy these tiny aluminum enclosures?
Replies: 32
Views: 67197

Re: Where do you buy these tiny aluminum enclosures?

Sweet, thanks! I'll file an order soon.
by Airwind
Mon Sep 03, 2018 8:32 am
Forum: Off-Topic
Topic: Where do you buy these tiny aluminum enclosures?
Replies: 32
Views: 67197

Re: Where do you buy these tiny aluminum enclosures?

Hey, rtlsdrblog!

I noticed the enclosures are now on sale again in the shop. Planning to buy some. Guessing from the picture, am I correct to assume that each piece will ship with the main chassis, one USB side panel and *two* SMA panels?

Thanks!