These leaking batteries were in a device but still should have had lots of life left. I had to scrape out the mess that they left.On Fri, Dec 18, 2020, 4:25 PM Peter Laws <plaws0@...> wrote:On Fri, Dec 18, 2020 at 3:18 PM gordrstaples <gordrstaples@...> wrote:
>
> Indeed. I have even had new Duracell AA batteries that the bottoms have rotted out and they had a shelf life of 2025!
In a device or out of a device?
--
Peter Laws | N5UWY | plaws plaws net | Travel by Train!
And the coax braid presumably to ground on the R1733,
maybe using the earphone socket?
For maximum DX, I would use a dipole or yagi tuned
to the FM band and connect the coax to the FM RF stage
inside the radio. But that might be too much desecration :-)
Michael
On 19/12/2020 21:29, Paul Blundell wrote:
> Hi Michael.
>
> No preamp, this is just a set of VHF rabbit ears that are designed for
> VHF TV, I have modified them to allow the ears to stay at an angle and
> replaced the short coax with 4.5m length.
>
> I have terminated this to an alligator clip which I click on to the
> aerial of my AR-1733.
>
> Paul
>
On Fri, Dec 18, 2020 at 3:18 PM gordrstaples <gordrstaples@...> wrote:
>
> Indeed. I have even had new Duracell AA batteries that the bottoms have rotted out and they had a shelf life of 2025!
In a device or out of a device?
--
Peter Laws | N5UWY | plaws plaws net | Travel by Train!
12/20 01:00 - 05:00 UTC Audio DX Test (.8kw)
12/20 05:00 - 11:00 UTC Audio DX Test (5kw)
12/21 01:00 - 05:00 UTC Audio DX Test (.8kw)
12/21 05:00 - 11:00 UTC Audio DX Test (5kw)
Reports can be sent to kc2dux@... or for a QSL card sent at least a 4x6 SASE envelope too
Duke Hamann, WNJC DX Test
PO Box 84
Dennisville, NJ 08214 USA
maybe using the earphone socket?
For maximum DX, I would use a dipole or yagi tuned
to the FM band and connect the coax to the FM RF stage
inside the radio. But that might be too much desecration :-)
Michael
Hi Michael.
No preamp, this is just a set of VHF rabbit ears that are designed for VHF TV, I have modified them to allow the ears to stay at an angle and replaced the short coax with 4.5m length.
I have terminated this to an alligator clip which I click on to the aerial of my AR-1733.
Paul
Paul, quite a haul!
Does the antenna have a pre-amp?How is it connected to the AR1733?
Michael UK
On 19/12/2020 05:16, Paul Blundell wrote:
Radio: Digitech AR-1733
Aerial: 1M Rabbit Ears at 45 degree angle
Location: Home, Launceston Tasmania.
Time: 12:30
Notes: A good mid-day session to test out my improved rabbit ears aerial this now has a longer coax cable and the connection has been reterminated. All expected stations were logged at good signals levels and 7SD from Scottsdale on 95.7MHz was added to the log for the first time. This was carrying an advertisement for a local gardening business. Distance was 65.6km.
Paul, quite a haul!
Does the antenna have a pre-amp?
How is it connected to the AR1733?
Michael UK
Radio: Digitech AR-1733
Aerial: 1M Rabbit Ears at 45 degree angle
Location: Home, Launceston Tasmania.
Time: 12:30
Notes: A good mid-day session to test out my improved rabbit ears aerial this now has a longer coax cable and the connection has been reterminated. All expected stations were logged at good signals levels and 7SD from Scottsdale on 95.7MHz was added to the log for the first time. This was carrying an advertisement for a local gardening business. Distance was 65.6km.
12/20 01:00 - 05:00 UTC Audio DX Test (.8kw)
12/20 05:00 - 11:00 UTC Audio DX Test (5kw)
12/21 01:00 - 05:00 UTC Audio DX Test (.8kw)
12/21 05:00 - 11:00 UTC Audio DX Test (5kw)
Reports can be sent to kc2dux@... or for a QSL card sent at least a 4x6 SASE envelope too
Duke Hamann, WNJC DX Test
PO Box 84
Dennisville, NJ 08214 USA
Radio: Digitech AR-1733
Aerial: 1M Rabbit Ears at 45 degree angle
Location: Home, Launceston Tasmania.
Time: 12:30
Notes: A good mid-day session to test out my improved rabbit ears aerials, this now has a longer coax cable and the connection has been reterminated. All expected stations were logged at good signals levels and 7SD from Scottsdale on 95.7MHz was added to the log for the first time. This was carrying an advertisement for a local gardening business. Distance was 65.6km.
|
FREQUENCY |
CALLSIGN |
SIGNAL |
|
87.6 |
TOTE SPORT RADIO |
5 |
|
87.8 |
LC FM |
5 |
|
88 |
RELIGIOUS STATIONS |
5 |
|
89.3 |
LA FM |
5 |
|
90.1 |
CHILLI FM |
5 |
|
90.9 |
TRIPLE J |
5 |
|
91.7 |
ABC NORTHERN TASMANIA |
5 |
|
92.5 |
ABC NEWS RADIO |
5 |
|
93.3 |
ABC CLASSIC FM |
5 |
|
94.1 |
ABC RADIO NATIONAL |
5 |
|
95.3 |
TAMAR FM |
4 |
|
95.7* |
7SD |
2 |
|
96.5 |
CITY PARK RADIO |
5 |
|
96.9 |
MEANDER VALLEY FM |
3 |
|
100.3 |
LA FM (CBD TRANSLATOR) |
5 |
|
101.1 |
CHILLI FM (CBD TRANSLATOR |
5 |
|
102.7 |
ABC NORTHERN TASMANIA (TRANSLATOR) |
5 |
|
103.7 |
CITY PARK RADIO |
5 |
|
105.3 |
WAY FM |
5 |
|
106.9 |
RPH LAUNCESTON |
5 |
In a device or out of a device?
Indeed. I have even had new Duracell AA batteries that the bottoms have rotted out and they had a shelf life of 2025!
--
Peter Laws | N5UWY | plaws plaws net | Travel by Train!
Just to be clear, any battery can leak but generally speaking typical alkaline or carbon zinc cells do not leak until they are depleted and the outer case has been reduced in thickness and perhaps corroded. I too have had good luck with Energizers and never had one leak on me but I once bought a piece of used equipment which contained long dead Energizers in it and they had indeed leaked.
But this discussion about Duracells is a completely different thing because in the past few years they have been known to leak even when new and definitely before they were used up, which is something we haven't seen in other batteries.
Jay
I purchased this radio more than 10 years ago. The backlash on tuning is suggestive of dial and string tuning, something that should have been retired long ago. Selectivity and sensitivity were pedestrian, to be generous.
After several weeks, the radio failed to operate at all. I returned it to the store from which it was purchased for a full refund. Easily the worst digital readout portable I ever owned.
Bruce
KI4PAC
After several weeks, the radio failed to operate at all. I returned it to the store from which it was purchased for a full refund. Easily the worst digital readout portable I ever owned.
Bruce
KI4PAC
Hello Again Jorge,Well, I have ordered whatever I need for my 5" inches FSL but the Litz wire. Jist a question... Do I need 40 inches or 40 feet. I am not used to imperial units system and I do not want to get confused with 'inches', 'feet' or their symbols like ' " etc...Stay healthy!J
40 feet (12.2m) of Litz wire will be enough to wind the coil on a 5 inch (12.7cm) diameter FSL antenna.
It will actually be enough to wind the coil for almost any diameter of FSL antenna, since the smaller FSL's simply have more coil turns to result in the same approximate inductance.
One important thing to remember is that proper tinning and soldering of 1162/46 Litz wire requires a very hot soldering iron or gun, with at least 60 watts of power. This is necessary to thoroughly melt the solder throughout each individual Litz wire strand on both ends of the coil. This process generates quite a lot of unhealthy solder smoke, so it's best to do this soldering outside your house, with a fan to blow the smoke away as you make the connections.
73, Gary
My TECSUN DR-920C has just arrived, does anybody have any experience with this? I am not sure if I am missing something but it does not seem to work very well at all... Before I look at if it is faulty, is this experience normal?
- The tuning jumps around. On both AM and FM, it is hard to get it on frequency and to stay there.
- The reception on AM and FM is shocking. The HPON station which is just over 9km away struggles. On FM, the low power CBD translators are MIA. Is this normal?
Paul
Radio: Digitech AR-1733
Aerial: 1M Rabbit Ears as a dipole
Location: Windmill Hill Park East Launceston and West Launceston Communications Site, Launceston Tasmania.
Time: 17:20 – 18:10
|
FREQUENCY |
CALLSIGN |
WINDMILL HILL |
WEST LTON |
|
87.6 |
TOTE SPORT RADIO |
5 |
5 |
|
87.8 |
LC FM |
5 |
5 |
|
88 |
RELIGIOUS STATIONS |
5 |
5 |
|
89.3 |
LA FM |
5 |
5 |
|
90.1 |
CHILLI FM |
5 |
5 |
|
90.9 |
TRIPLE J |
5 |
5 |
|
91.7 |
ABC NORTHERN TASMANIA |
5 |
5 |
|
92.5 |
ABC NEWS RADIO |
5 |
5 |
|
93.3 |
ABC CLASSIC FM |
5 |
5 |
|
94.1 |
ABC RADIO NATIONAL |
5 |
5 |
|
95.3 |
TAMAR FM |
3 |
4 |
|
96.5 |
CITY PARK RADIO |
4 |
5 |
|
96.9 |
MEANDER VALLEY FM |
2 |
1 |
|
98.9 |
7AD |
2 |
0 |
|
100.3 |
LA FM (CBD TRANSLATOR) |
5 |
5 |
|
101.1 |
CHILLI FM (CBD TRANSLATOR |
5 |
5 |
|
102.7 |
ABC NORTHERN TASMANIA (TRANSLATOR) |
5 |
5 |
|
103.7 |
CITY PARK RADIO |
5 |
5 |
|
105.3 |
WAY FM |
5 |
5 |
|
106.9 |
RPH LAUNCESTON |
5 |
5 |
|
107.7 |
SEA FM |
2 |
0 |
